A  Avance (Fast, Vorgang) 
ACC  Accutron 
A.C.Or Associazione Collezionisti Orologi
AHCI Académie Horlogère des Créateurs Indépendants 
A.D. Anno Domini 
A/D  Analog/Digital 
ADAEV  Association pour le Développement des Activités Économiques de la Vallée de Joux 
adj. adjusted
ADT  Atlantic Daylight Time 
AFAHA  Association Francaise des Amateurs d'Horlogerie Ancienne 
Ag Argentum (=Silver)
AGHBO  Association Genevoise des Horlogers Bijoutiers et Orfèvres 
AGS  Automatic Generating System (Seiko)
A/h  Amplitudes/hour = Halbschwingungen/Std.
AHCI Académie Horlogère des Créateurs Indépendants 
AHP (Longines) Automatic High Preicision 
AHS  Antiquarian Horological Society
AHST Alaska-Hawaii Standard Time 
AIHH Association Interprofessionelle de la Haute Horlogerie
aka  also known as, alias 
AKDT Alaska Daylight Time
AKST Alaska Standard Time
AL Alfons Lange
Alpina
 
ALS  Alfons Lange & Söhne
 
A/m  Ampère/meter (Magnetic field intensity)
a.m. ante meridiem 
AM Adolf Michel, Grenchen (former movement manufacturer) 
AmDo American Doublé = 10 micron thick 
AMI  Amida
AMSA A. Michel SA
AN ?Accutron? (movement) 
ANCAHA Association Nationale des Collectionneurs et des Amateurs d'Horlogerie Ancienne et d'Art
AP Audemars Piguet 
AQ AutoQuartz
Ar Argon 
AR Anti-Reflective
Arogno
Auguste Reymond
 
ARC  Anti-Reflective Coating
AROLA  Alfred Rochat & Fils SA
ARSA Auguste Reymond SA
asst.  assortment 
ASUAG  Allgemeine Schweizerische Uhren AG (*1931 >> SMH 1984) 
AS A. Schild, Adolf Schild 
ASS  Automatic Signal Switch
ASSA Adolf Schild S.A. (*1896 >> ETA 1978) 
AST  Atlantic Standard Time
Aleutian Standard Time
 
ASTM American Society for Testing and Materials
AT Azores Time 
ATL  Anodische Elektrotauchlackierung 
atm  atmospheres: Physical dimension for atmospheric pressure 
A.T.P  Altimeter, Tradition, Präzision (Mühle, Glashütte) 
Au Aurum (Gold)
auto automatic, self winding 
AV Aurore
AWI  American Watchmakers-Clockmakers Institute 
  
B-Uhr  Beobachtungs-Uhr 
Baguette Special movement shape
B and B  Bedat & Bedat
bar  Physical dimension for atmospheric pressure
Basel  Annual World Watch, Clock and Jewelry Show at Basel, Switzerland 
BB Berney-Blondeau 
B.C. before Christ 
BEL  Belforte 
BEN  Benrus 
BFG  Baumgartner
B.F. Kurth Birgit/Franz Kurth
BHI  British Horological Institute
BIC  Bank Identifier Code 
bicolor  Steel/Gold 
Bicompax derived from "bi-compaction": 2 register chronograph with redesigned dial train, horizontal arrangement of subdials at 3 and 9 or vertical arrangement of subdials at 6 and 12 
BIH  Bureau International de l´Heure
BIPM Bureau International des Poids et Mesures 
bk black
broken
 
Blatt  Zifferblatt

BM Baume & Mercier (*1918) 
BMW  Bezel Manual Winder
BNIB Brand new in box
bph  beats per hour 
B & R  Bell & Ross
BST  British Summer Time
BT Baghdad Time
BTI  Benjamin Timepieces, Inc.
BUL  Bulova 
BUR  Buren
BUS  Buser
BWC  Buttes Watch Co. (*1920) 
BWCCA  British Watch & Clock Collectors Association 
  
c/ care (of) >> c/o
Cal. Caliber (=movement)
Calendar
Calculator (bezel), Rechenschieber-Lünette
 
California Dial  Dial with indices | I, II, | 4, 5 | 7, 8 | X, XI | 
CAP  Codice Avviamento Postale
CAR  Caravelle
CAT  Caterpillar
Central Alaska Time
 
CCPIT  China Council for the Promotion of International Trade 
CCT  China Coast Time 
ccw  counter-clockwise
CDT  Central Daylight Time
CEC  Cartier Ebel Christalor
CEH  Centre Electronique Horloger (*1962) 
CER  Certina
CEST Central European Summer Time
CET  Central European Time
CFHBJO Comité Français de l´Horlogerie, Bijouterie, Joaillerie et Orfèvrerie (French Watch, Clock, Jewellery and Silverware Center)
CH Confoederatio Helvetica (Switzerland) 
CHF  Swiss Francs 
Chr. Chromium
Chrono Chronograph 
Chronograph  Watch with time stop functions 
Chronometer  Accuracy certified mechanical watch
Chronoskop Chronograph (module)
CIBJO  Commission Internationale de Bijouterie, Joaillerie et Orfevrerie
CIDH Centre International de Documentation sur l'Horlogerie
CIFOM  Centre Intercommunal de Formation des Montagnes Neuchâteloises 
CIHH Comité International de la Haute Horlogerie 
CIM  Ceramic Injection Molding
CIN  Card Identifcation Number (American Express) 
CIT  Citizen
CITES  Convention of International Trade of Endangered Species
cK Calvin Klein
CMS  Club de Marketing Suisse 
c/o  care of (=per Adresse, bei)
country of origin (customs)
 Uhrenwerkzeug

Uhrmacherwerkzeug

Uhrenbeweger
CO Country of Origin 
Co.  Company
COA  Clean, Oil and Adjust
COD  Collect on Delivery (Payment method) 
compl. complete (papers etc.)
CON  Concord
Cordura  © DuPont, textured Nylon fabric used for watchstraps 
C.O.S.C. Contrôle Officiel Suisse de Chronomètres (*1973)
COU  Court
CPDH Comité Professionnel de Développement de l'Horlogerie 
CPIH Convention Patronale de l´Industrie Horlogère Suisse
CPP  Centre Professionnel de Porrentruy 
CPS  Crown Protect System (Uhr-Kraft) 
CrN  Chrom-Nitrid: Silbergraue PVD-Beschichtung 
CRO  Croton 
Cs Cäsium
CST  Central Standard Time
ct Carat (1/24 fine gold)
CT Central Time
CUL  Culmina
CVC  Card Verification Code (Mastercard)
CVD  Chemical Vapor Deposition
CVV  Card Verification Value (VISA) 
cw clockwise 
CWC  Cabot Watch Co.
Cortebert Watch Co.
 
CZ Cubic Zirconia
  
DAU  Damen-Armbanduhr 
DCF77  Zeitzeichen-Sender bei Frankfurt/Mainflingen ¤ D=Deutschland, C=Langwellensender, F=Frankfurt, Frequenz=77.5 kHz (*1977)
DD Day/Date
Dubois Dépraz
 
D&G  Dolce & Gabanna
DGC  Deutsche Gesellschaft für Chronometrie 
D.H.D. Dix Heures Dix
Di-Modell  Dirscherl, Hans
Digital  Time indication with figures 
DIN  Deutsches Institut für Normung 
DIY  Do it yourself 
DJR  Daniel JeanRichard 
DLC  Diamond like Carbon
Doppel >> Rattrappante 
doublé Goldauflage > 8 micron thick
DOX  Doxa 
dp dustproof 
DPUG Deutsche Präzisionsuhrenfabrik Glashütte (+1925)
DS (by Certina)  Doppelte Sicherheit
D&S  Dubey & Schaldenbrand
DST  Daylight Saving Time 
DSU  Deutsche Schmuck und Uhren Marketinggesellschaft 
DU Damenuhr
DUFA Deutsche Uhrenfabrik (+1996)
DUGENA Deutsche Uhrmacher GENossenschaft-Alpina (*1946)
DUR  Durowe, Deutsche Uhren-Rohwerke (+)
DUROWE Deutsche Uhren-Rohwerke (+) 
dwt  pennyweight
dz dozen 
  
ea each
EADT East Australian Dayligt Time
EAST East Australian Standard Time 
EB Ebel
E. Bettlach, Ebauches Bettlach
 
Ebauche  Raw, unfinished movement 
EC European Community (previously, now EU = European Union)
EDT  Eastern Daylight Time
EE Ebel
EEC  European Economic Community (previously, now EU = European Union)
EEM  Ebauches Electronic Marin ( >> ETA)
EEST Eastern European Summer Time
EET  Eastern European Time

EIAJ Ecole d'Ingénieurs de l'Arc Jurassien 
EICN Ecole d'Ingénieurs du Canton de Neuchatel 
EK Einkauf(spreis) 
EL Elgin
electroluminiscent
 
elaboré  finissage, decoration
Eloxal Elektrolytisch Oxydiertes Aluminium 
EMSA Eugene Meylan SA
engr.  engraved 
EOE  End of Energy
EOL  End of Life (battery)
EPS  Elektrostatische Pulverbeschichtung

EP Emile Pequinet
ES ?Ebauches SA (movement)?
ESA  Ebauches SA (*1926 >> ETA) 
EST  Eastern Standard Time
ESTH Economic Swiss Time Holding ( >> SSIH 1971) 
ET Eastern Time
Ephemeris Time
 
ETA  Name derived from Ebauches SA and/or ETernA >> *1932 
EUSM Europäische Uhren- und Schmuckmesse (1973-1984) 
EV Ethylvinyl
EVA  Ethylvinylacetat 
EZG  Erhaltungszustand Gehäuse
EZM  Einsatz-Zeitmesser (Sinn)
EZW  Erhaltungszustand Werk 
  
F  Fast/Vorgang 
FAR  Fabriques d´Assortiments Réunies SA (*1932 >> ASUAG) 
FB Förster 
fc fair condition
FE Felsa
France Ebauches
 
PLZ  Postleitzahl 
p. m.  post meridiem
PM Personyl Message(s) 
PN Persönliche Nachricht(en) 
PNP  Palladium Nickel Plating (stainless steel color) 
POA  Price on application 
pol. polished, poliert 
POR  Price on request 
PP Patek Philippe (*1839)
Publikumspreis
postage paid
 
p/p  price per piece
p&p, p+p packaging & postage 
PPR  Pinault Printemps LaRedoute
PR Pressure
Prod.  Products, Production 
PST  Pacific Standard Time
Pt Platinum
PT Pacific Time
PTB  Physikalisch-Technische Bundesanstalt, Braunschweig
PU Polyurethan
Polyurethane
 

 
PUW  Pforzheimer Uhren-Rohwerke (+70ties) 
PVC  Polyvinylchlorid 
PVD  Physical Vapor Deposition, Ion plating, Pulverbeschichtung
pwr. res.  power reserve
  
Q  Quarz, Quartz
QA Quartz
Quartz Quartz controlled movement
  
R  Retard (Slow, Nachgang)
Rattrapante  Chronograph with two stop second hands 
rd redial
rect.  rectangular (case) 
Ref. Reference No., Referenznummer 
reg. regulated 
REQ  Rechargeable Electromagnetic Quartz
res. reserve
resistant
 
RG Rosé/Pink Gold, Rotgold 
RGP  Rolled Gold Plate
RGM  Roland G. Murphy 
rhod.  rhodiniert 
RL Ronda Caliber 
RIOS Riemer, Oswald
Robergé  Robert (Maubassin), Genève 
Rolex  hoROLogy EXquisite 
rom. roman 
ROWI Rodi & Wienenberger 
R&R  Rodolphe & Roamer
PRP  Recommended Retail Price 
RSW  Rama Swiss Watch 
R&R  Rodolphe & Roamer
RW Raymond Weil
  
S  Size
Slow/Nachgang
 
/SA  Saxonia, Sachsen 
S.A. Société Anonyme / Actionnaire 
SAB  Swiss Army Brands
Sapplex  Sapphire + Hardlex 
sat. satin, satiniert
SAV  Service après Vente (After Sales Sevice) 
SAW  Swiss Army Watches 
SB Stahlband
screwed back
 
sb&b screwed back & bezel
Schleppzeiger  >> Rattrappante
Schw.  schwarz
Schweiz
 
scr. screw, screwed
SCW  Swiss Classic Watches
Swiss Collector Watches
 
s/d  seconds per day (deviation)
sec. second
SEI  Seiko
SEL  solid end link (bracelet)
self-wdg.  self-winding 
Ser. No. serial number 
SFr. Swiss Francs
s/g  steel/gold 
SGT  Société des Garde-Temps SA
Singapore Standard Time
?? (former movement manufacturer)
 
S/H  Shipping & Handling
SHP  Saint-Honoré Paris 
Si.  Silver 
SI Système International d'Unités
SII  Seiko Instruments, Inc.
SIHH Salon International de la Haute Horlogerie (Genève, *1993) 
SMC  Swiss Marketing Club 
SIOC Societa Italiana Orologi Kienzle
SKR  Sveriges Kloksamlares Riksförening (Swedish Association of Watch and Clock Collectors)
SMH  Société suisse de Microélectronique et Horlogerie (*1984)
SMI  SII (Seiko Instruments, Inc.) Marketing International
Soprod Société de Production Horlogère 
Split Second >> Rattrappante 
SPOT Smart Personal Object Technology (Microsoft)
sq.  square (case)
srl. ital.: Sociedad de Responsabilidad Limitada (Gesellschaft mit beschränkter Haftung) 
SRP  Suggested Retail Price 
s&s  Seyl & Schempp 
SS, S/S  Stainless Steel
ssb  stainless steel back 
SRW  Slide Rule Watch 
SSC  Société Suisse de Chronométry
SSIH Société Suisse pour l´Industrie Horlogère (*1930 >> SMH 1984) 
SST  Swedish Summer Time
St Steel 
ST Standard Time
Standard (movement manufacturer, e.g. ST/FHF69, ST/FHF97)
 
STMA Ständige Musterausstellung Pforzheim +
Stowa  Storz, Walter
STT  Swiss Time Technology SA (previously: Progress Watch SA) 
sub dial subordinate dial
SUG  Sächsische Uhrentechnologie GmbH 
SUHG Schweizer Uhren-Handels GmbH
SUS  Saybolt Universal seconds
SUW  Schmuck und Uhren Wirtschaft (ehem. Zeitung/Zeitschrift) 
  S(wiss) Watch (*1983) 
SWC  Samsung Watch Corp.
SWCA Shenzhen Watch & Clock Association
Swiss Made More than 50% value added in Switzerland, i.e. Swiss movement + casing + final testing performed in Switzerland 
sws  sweep seconds
SWT  Swedish Winter Time
SZWA Shenzhen Watch & Clock Association
  
T  Tritium
T25  < 25 µCurie
Tachymeter Speed-indicating scale
TAG Heuer  Technique d´Avant-Garde Heuer
TAI  Temps Atomique International 
TCB  Time Coordinate Barycentric
TCG  Time Coordinate Geocentric 
TD Tenor & Dorly, Tramelan (former movement manufacturer)
TDB  Time Dynamical Barycentric 
TDC  Trade Development Council (Hong Kong)
TDT  Time Dynamical Terrestrial 
Temp.  temperature
THA  Téchnique Horlogère Appliquée
THF  The Horological Foundation 
Ti / Tit.  Titanium 
TiAlN  Titan-Aluminium-Nitrid: Blauschwarze PVD-Beschichtung 
TiC  Titan-Carbid: Grau - anthrazitfarbene PVD-Beschichtung 
TiCN Titan-Carbon-Nitrid: Rotgold bis violette PVD-Beschichtung 
TiCrN  Titan-Chrom-Nitrid: Anthrazitgraue PVD-Beschichtung
TiN  Titan-Nitrid: Goldgelbe PVD-Beschichtung 
TiZrN  Titan-Zirconium-Nitrid: Messingfarbene PVD-Beschichtung 
TNC  Titanium-Nitrid Color (yellow-gold color)
TNG  Titan-Nitrid-Gold: Mattgoldene PVD-Beschichtung
TPD  Turns per Day (watch winder) 
Tricompax  derived from "tri-compaction": 3 register chronograph with redesigned dial train, horizontal arrangement of subdials at 3, 6 and 9 
TT Terrestrial Time
T/T  Telegraphic Transfer (Bank wire transfer, payment method)
TZ TimeZone
  
UB Uhrenbeweger
unbreakable
 
UFAG Uhrenfabrik Glashütte AG (*1926 >> GUB 1945)
UJS  Uhren Juwelen Schmuck (Deutsche Fachzeitschrift) 
UK United Kingdom (Great Britain)
UMF Ruhla  (Uhrenmanufaktur?) Uhrwerke Ruhla
ungetr.  ungetragen 
UROFA  Uhrenrohwerkefabrikation Glashütte AG (*1926 >> GUB 1945) 
US United States (of America, USA) 
USD  US Dollar
USH  Union Suisse pour l´Habillage de la montre 
USt. Umsatzsteuer
UT Universal Time
UTC  Universal Time Coordinated: World time reference based on atomic clocks around the world
equivalent to GMT
United Time Corporation (former movement manufacturer)
 
UTC watch  Watch with second timezone, Dual time watch
UTS  Uhren-Technik Spinner
USNO United States Naval Observatory 
UVP  Unverbindl. Preisempfehlung
  
Val. Valjoux << Vallée de Joux 
VAT  Value Added Tax, Mehrwertsteuer
VC Vacheron Constantin (*1755) 
V  Vorgang/Fast 
v. Chr.  vor Christus 
VdU  Verband deutschschweizerischer Uhrenfabrikanten
VDU  Verband der Deutschen Uhrenindustrie 
verchr.  verchromt
verg.  vergoldet, Goldauflage < 5 micron
verschr. verschraubt 
vgc. very good condition 
VH Vickers Hardness
Vianney Halter
 
VHP (Longines) Very High Precision 
VK, VKP  Verkaufspreis
VJ ValJoux 
VPE  Verpackungseinheit 
VOH  Vaucher Outillage Horloger 
vph  vibrations per hour
VS Value Swiss 
VT Vergleichstest
  
w  white
w/ with
WA Washingtoner Artenschutzübereinkommen 
wadi wasserdicht 
WADT West Australian Dayligt Time
WAP  Wireless Application Protocol
wapro  water proof
WARC World Administration Radio Conference 
WAST West Australian Standard Time 
WCR  Watch & Clock Review 
WCT  Westcoasttime/Howard M. Marx 
WD 50m wasserdicht 50 Meter
wdg  winding
Werk Uhrwerk, Gehwerk
WET  West European Time 
WEZ  Westeuropäische Zeit 
wg, WG white gold, Weißgold
wgf  white gold filled
wgs  white gold shell 
wh white 
w/o  without
WOZ  Wahre Ortszeit 
wp waterproof
WPG  Watch Parts from Germany 
WPHH World Presentation of Haute Horlogerie
WR 50m Water resistant 50 meters 
WST  Western Standard Time (Australia)
WTB  Wanted to buy
wty  warranty 
ww wristwatch
watch winder
 
  
xint.  excellent
  
y  yellow 
YDT  Yukon Daylight Time
yg yellow gold 
ygf  yellow gold filled 
ygs  yellow gold shell
yr.  year 
yrs. years 
YST  Yukon Standard Time
yy year
  
Z  Zulu Time (=GMT) 
ZB Zifferblatt 
ZeitG  Bundeszeitgesetz 
z. Hd. zu Händen 
Zi Ziffer
Zi.Bl. Zifferblatt 
ZIP Code Zone Improvement Plan (US Postal Code)
Zr Zirconium 
ZRC  Zuccolo Rochet (Watchstraps) 
ZrCN Zirconium-Carbon-Nitrid: Goldfarbene PVD-Beschichtung 
ZrN  Zirconium-Nitrid: gold/messingfarbene PVD-Beschichtung 
Zulu Time  Zifferblatt

Uhrenzubehör, Uhrenbeweger

FEF  Fabrique d´Ebauches de Fleurier (*1920 >> ESA 1932)
FES  Fabrique d´Ebauches de Sonceboz
FH Fédération de l´Industrie Horlogère (Suisse)
FHF  Fabrique d´Horlogerie de Fontainemelon (*1793 >> ETA)
FHKWTI Federation of Hong Kong Watch Trades & Industries 
FHS  Fédération de l´Industrie Horlogère Suisse 
Flyback  >> Rattrappante
FM Franck Muller 
Fob Watch  Anhänge-Uhr
Font.  Fontainemelon Fabrique d´Horlogerie (FHF)
FS Faltschließe
For Sale
 
FSOT For Sale or Trade 
FST  French Summer Time 
ft feet
Fty. Factory 
FWT  French Winter Time 
  
g  gram 
G  Gold 
GB Glass back, Glasboden 
GBP  British Pounds 
gc.  good condition 
GCPM General Conference on Weight and Measures 
Geh. Gehäuse 
gen. genuine 
gf gold filled 
GG Gelbgold
GHP  Gold-Hard-Plating
Glashütte/SA Town in Saxonia, German watch capital
> 50% of value added in Glashütte/SA
 
Glucydur (Glucinium = Copper + 2-3% Beryllium) + (dure = hard) 
gms. grams (weight of a watch) 
GMST Greenwich Mean Siderial Time
GMT  Greenwich Mean Time
equivalent to UTC
 
GMT watch  Watch with second timezone, Dual time watch
GmT  Great Magazine of Timepieces 
GO Glashütte Original
GP Girard-Perregaux (*1791)
GPRS General Packet Radio Service
GPS  Global Positioning System
gr.  Gramm (Gewicht einer Uhr)
Gros 12 dozens (144 pcs.)
GST  Goods and Services Tax
Guam Standard Time
Gold Steel Titanium (by IWC)
 
gts  gents
GTS  Global Transmision Services
GUB  Glashütter Uhrenbetriebe (*1951) 
GWC  Geneva Sport Watch Co.
General Watch Co. ( >> ASUAG 1968)
German Watch Center
 
GZ Goldschmiede-Zeitung
  
h  Hour 
H&S  Holdermann & Sohn, Tübingen
handwind Manual wind movement
HAU  Herren-Armbanduhr
Haute de Gamme High End watch manufacturers
HB H. Becker, Pforzheim
hds. hands 
HDT  Hawaii Daylight Time 
HHS  Hour hand size 
HK Hong Kong 
HKTDC  Hong Kong Trade Development Council
HKWMA  Hong Kong Watch Manufacturers Association
HMS, H/M/S Hours, Minutes, Seconds 
HP, HPP  Henzi & Pfaff, Pforzheim 
HQ Harley Ronda Quartz 
hr.  hour 
HR Hadley Roma (watchbands)
hs hairspring
HST  Hawaii Standard Time 
HT Hawaii Time
Height (thickness)
 
HU Herrenuhr 
Hz Hertz 
HZB  Hilfszifferblätter 
  
IAU  International Astronomical Union 
IC Integrated Circuit (Integrierter Schaltkreis) 
IDLE International Date Line East
IDLW International Date Line West
IERS International Earth Rotation Service
IJA  Irish Jewellers Association
Incabloc Trade name of shock-absorbing system for movement bearings
Ind. Industries
Int´l  International
IP Ion Plating 
IPZ  IsoPartZeit
IRV  Inaternationaler Reptilleder Verband e.V.
ISA  ISATOME >> ISA: The sign ISA is issued from the prefix ISATOME prefiguring the era of Quartz.
ISH  Indicateur Suisse de l´Horlogerie
ISO  International Organization for Standardization 
IST  Israel Standart Time
Indian Standard Time
Irish Summer Time
 
ISU  Internet-Messe Schmuck & Uhren 
IWC  International Watch Co. (*1869)
IWJG International Watch and Jewelry Guild 
IWMD International Watchmakers Marketing Day 
  
j. jewels
jap. japanese
JB Jaquet-Baume
J.Chevalier  Joseph Chevalier 
JCK  Jewelers' Circular Keystone
JD Julian Day
Jaquet-Droz
 
JDE  Julian Day in Ephemeris Time 
JED  Julian Day in Ephemeris Time 
JIMH Journée Internationale du Marketing Horloger
jl.  jewel(s) 
JLC  Jaeger-LeCoultre (*1833) 
JM Jean Marcel 
JSH  Journal Suisse d´Horlogerie
JST  Japan Standard Time
JWE  Jewellery World Expo 
JWNZ Jewelers and Watchmakers of New Zealand 
  
k  karat (1/24 fine gold) 
K1 Altra-K1 hardened mineral crystal 
Kal. Kaliber (=Uhrwerk)
Kalender
 
Kerbe, Einkerbung  notch
K.E.S.U. Kinetic Energy Storage Unit (Seiko) 
Kevlar © DuPont, textured Nylon fabric used for watchstraps
kgf  karat gold filled/fineness 
kgp  karat gold plate 
KIF  Shock-absorbing system 
KMU  Kleine und mittlere Unternehmen
krgp karat rolled gold plate 
kt Karat (1/24 Feingold) 
  
L  Leder
Laco Lacher & Co.
LB Lederband 
L/C  Letter of credit 
LCD  Liquid Crystal Display 
lds. Ladies (watch)
LE Limited Edition 
LEC  LeCoultre
LED  Light Emitting Diode 
LGSU Leistungsgemeinschaft Schuck + Uhren
lim. ed. Limited Edition 
LNIB Like new in box 
LMH  Les Manufactures Horlogers (= IWC + JLC + Lange) 
LP Listenpreis 
LPD  Liquid Phase Deposition
ls.  lever set
LT Local Time
Ltd. Limited 
L.U.C. Louis Ulysse Chopard
Lün. Lünette 
LVMH Louis Vuitton Moët Hennessy 
L x W x H  Length x Width x Height
  
µ  micro... 
µm micron, 1/1000 mm 
m  meter, milli...
m/ missing 
man  manual winding 
Mark Name for Pilot watches
MDM  Montre des Montres (*1980) 
MDT  Mountain Daylight Time 
Memovox  Memory Voice 
MEST Middle European Summer Time 
MESZ Mitteleuropäische Sommerzeit
MET  Middle European Time 
MEWT Middle European Winter Time 
MEWZ Mitteleuropäische Winterzeit
MEZ  Mitteleuropäische Zeit 
Mfg. Manufacturing 
Mfy. Manufactory 
MGH  Manufacture Generale Horlogere 
mhs  minute hand size 
MHz  Mega-Hertz 
MI Markt Intern (Branchenreport - u.a. Uhren/Schmuck)
micr.  micron, µm, 1/1000 mm
micron µm, 1/1000 mm 
midsize  medium size (diameter about 30-35 mm)
MIH  Musée International d’Horlogerie at La Chaux-de-Fonds, CH
mil. military
Milanaise, Milanese  Nach "Mailänder Art" hergestelltes Drahtgeflecht-Armband 
MIM  Metal Injection Molding
min. minute
minimum
mineral
 
mint like new
MIY  Miyota 
MJD  Modified Julian Day
MJWC ?? (former movement manufacturer) 
ML Maurice Lacroix 
M&M  Maxime Monet (erster M&M Designer) 
MM Month 
mod. modified
MOP  Mother of Pearl
MOQ  Minimum Order Quantity 
movt.  movement 
MOZ  Mittlere Ortszeit
MSC  Manfred Schneider
MSD  Moscow Summer Time 
MSK  Moscow (Winter) Time 
MSR  Manufacturer Suggested Retail
Manufactures d´Horlogerie Suisse Reunies (former movement manufacturer, *1963 by Buser, Revue Thommen and Vulcain)
 
MSRP Manufacturer Suggested Retail Price
Manufactures D´Horlogerie Suisse Réunies (*1961, Buser, Phénix, Revue, Vulcain)
 
MST  Mountain Standard Time
Meyer & Stüdeli, Roamer (former movement manufacturer)
 
MT Mountain Time 
mvt. Movement
MWA  Massachusetts Watchmakers and Clockmakers Association
MWSt.  Mehrwertsteuer · VAT/Value Added (Sales) Tax 
MZM  Movado Zenith Mondia (Holding, *1969, +
  
NAWCC  National Association of Watch & Clock Collectors 
N  Nachgang/Slow
n/a  not applicable 
n. Chr.  nach Christus
NIB  New in box 
NIHS Normes de l´Industrie Horlogère Suisse
NIST National Institute for Standards and Technology 
Nivarox  Nicht VARiabel, OXidabel (Non-variable, oxidable)
nm.  near mint
No.  Number 
NOS  New old stock · Alter Lagerbestand 
NP Neupreis
NPL  National Physical Laboratory (UK)
NT Nome Time 
NTP  Network Time Protocol
Nylon  synthetic Polyamid fabric used for watchstraps 
NZDT New Zealand Dayligt Time
NZST New Zealand Standard Time 
  
ODM  Original Design Manufacturer 
OEM  Original Equipment Manufacturer
OEZ  Osteuropäische Zeit
OLED Organic Light Emitting Display
´or  Gold 
ORFAC  Original Fine Art Collection (NL)
OS oversize
OSCO Otto Schlund & Co.
OVP  originalverpackt 
O&W  Ollech & Wajs
  
p. A.  per Adresse
PACVD  Plasma Aktivated Chemical Vapour Deposition
pap. papers (instructions, warranty card)
pc.  piece
PCP  Palladium Cobalt Plating (nickel-free) 
pcs. pieces
pd Porsche Design
PDT  Pacific Daylight Time
p&h  postage & handling 
PH Pierres Holding ( >> ASUAG 1968)
P.I. Proforma Invoice
plaqué 5 micron < Goldauflage < 10 micron