ADF — Pronto Watch Co.
AOC — Heuer, Mido, Roamer (Meyer & Stüdeli)
AOF — Nova Watch Co.
AOG — Champ Watch Co., Ch. Aerni S.A.
AOH — Hamilton
AOI — Doxa
AOL — Adolph Schwartz & Son, Doxa
AON — Angelus S.A.
AOX — Alstater Watch Corp., Alstate Watch Co.
AOZ — Les Fils de Paul Schwarz-Etienne, Alpha
AWX — Pierpont Watch Co.
AXA — A. Wittnauer & Co.
AXB — Ace Watch Co.
AXF — Abercrombie & Fitch Co., Heuer
AXG — Avon Watch Co.
AXJ — A.R. & J.E. Meylan, Meylan Stop Watch Co.
AXK — Sellita
AXP — Aristo Import Co. Inc., Ed. Kummer, Ebauche Bettlach, Juvenia
AXR — Mural Watch Co., Duro Watch Co.
AXU — Paul Ditisheim S.A., Solvil & Titus, Lucien Piccard
AXZ — Alden, Benrus, Langendorf
AYL — Montillier
AYP — Audemars Piguet
AZL — Aureole Watch Co.
AZO — Ad. Alleman Son Ltd.
BCD — Leonidas
BOL — Bernard S. Lipmann, Lemania, Octo, Vulcain
BOM — Berman Watch Co. Inc., Marc Nicolet, Juvenia
BOP — Robert Ronnel
BOW — Breitling Watch Corp.
BXC — Ball Co., Avia Degoumois & Cie.
BXD — Leonidas
BXE — Ulysse Nardin
BXF — Bayer, Pretzfelder & Mills, Imperial, Louis Goering
BXJ — Midland Watch Co., Oris
BXL — Lion, Midland, Mont Vernon
BXM — Cardinal Watch Co.
BXN — Benrus
BXP — Bayer, Pretzfelder & Mills, Glycine, Imperial, Norwich, Ulysse Nardin, Vauchay
BXU — Eickmann & Co., E. Baumann, Aristo Imports Inc.
BXW — Bulova
BXY — Charles Abrecht, Cesar Renfer-Abrecht
BXZ — Mepa Watch Co.
BYF — F.T. Bishop Inc.
BYM — Michael Z. Berger
BZK — Berco Inc.
BZM — J.C. Penney Towncraft, Basis Watch, E. Vuillemier S.A.
COC — Crawford Watch Corp.
CON — Charlin Watch Co.
COR — Cornell, Orloff
COT — Tavannes Watch Co. S.A., Cyma Watch Co.
COW — Croton, Nivada S.A.
COY — Cyma
CWT — Caravelle Watch
CXC — Concord Watch Co. Inc., Zenith
CXD — Cypress (Erwin Triebold)
CXE — Cabo Watch Co.
CXH — Clinton Watch Co., Avis Watch Factory
CXJ — Central Watch Co. Inc.
CXL — Leonidas
CXM — Circle Watch Corp., Wolbrook
CXN — Clifford Watch Co.
CXO — Henry Blank Co., Cresarrow
CXV — Cort, Cortebert
CXW — Central, Benrus
CXY — Croydon
CYA — Certina
CYN — Clairmont Trading Corp., Prexa Watch Ltd.
CYW — Chesterfield Watch Co.
CZA — Canoe, Camy Watch Co.
DBA — Angelus S.A.
DOB — Dreffa Watch Co.
DOW — Deauville (Ollendorf Watch Co.)
DWQ — Langendorf, Lanco
DXC — Crawford
DXO — M. Ducommun Co., Minerva
DXR — Doric Watch Co.
DXW — Delmark Watch Co.
DXZ — Hy. Moser & Co.
DYR — Den-Ro, Bernard Vuille
DZM — Fluvius Boillat, Fludo Watch
DZN — Dorlin Watch Co.
EOC — Ellis Watch Co.
EOE — Elrex Watch Co. Inc., Pierpont
EOG — Etna Watch Co. Inc.
EOH — Rulon Watch Co.
EOM — Emo Watch Co.
EON — Avalon, Calvert
EOP — Paul V. Eisner & Co., Adina, Alpina, Harvel, Rensie
EOT — Lavina S.A., Ulmann Fils
EOY — Compass Instruments & Opticals
EWG — A D Goodman & Bros., Mondia
EXA — Eterna
EXC — Everbrite Watch Co., Crosby (Invicta), Seeland (Invicta)
EXG — E. Gübelin
EXL — Juvenia
EXM — Savoy, Milos, Louvic Watch Co.
EXN — Breitling, Belmar Watch Co.
EXO — Empire Watch Co.
EXU — European Watch & Clock Co., Cartier
EXW — Empire Watch Co.
EYH — Mulco
EZR — Enicar S.A.
FON — Fewa Watch Co.
FWR — Amko Watch Co.
FXE — Provis S.A.
FXF — Fairfax Watch Co., Gruen
FXN — Rouche
FXU — Louis Aisenstein and Brothers, Roamer, Meyer & Stüdeli
FXW — Louis Watch Co. Inc.
FYF — Favre-Leuba
FYG — Eloga Watch Co., Emka Watch Co.
FYL — Dreffa Watch Co.
FZB — Benfre
FZH — Frisch Schierwater & Co.
GOA — Doxa S.A.
GOC — Rexton, Gothic Watch Co.
GOG — Greygor Watch Co., Hoga
GOU — Goma Jewelry Manufacturing Co. Inc.
GXC — Gruen Watch Co.
GXI — Gotham (Ollendorf Watch Co.), Juvenia, Mido, Orator
GXL — Fortis
GXM — Girard-Perregaux, Mimo, Zenith
GXO — Polfran Watch Co.
GXR — Grant, Emil Braude & Sons
GXT — Naef Watch Co.
GXW — Gothic Watch Co.
GYH — Hilton
GYP — Global Watch Co.
GZR — Grenzler Lee
HBE — Arnex Time Co.
HOB — Jackson Watch Co., Wakmann
HOM — Homis Co.
HON — A. Hirsch, Tissot, Universal Genève
HOP — Hall
HOR — Harry Rodman, Lanco Langendorf, Lonville
HOU — Oris Watch Co. S.A.
HOW — Charles Gigandet S.A.
HOX — Henri Stern Watch Agency, I.W.C., Universal Genève, Patek Philippe & Co.
HWC — Juvenia
HXB — I.W.C. International Watch Co.
HXF — Harman Watch Co. Inc.
HXH — Harvel, Vetta
HXJ — Hudson Watch Co., A. Castelberg
HXL — Easton
HXM — RH Macy & Co.
HXN — Harvel Watch Co.
HXO — Harold K. Oleet
HXR — Hambek Watch Co., Fortis Watch Co.
HXW — Helbros, Joseph Boillat Fils
HYL — Hamilton
HYO — Hilton
HYQ — Hilton Watch Co., Sultana, Joseph Boillat Fils
HYW — Harper
HZA — Baume & Mercier
HZE — Hetega
IGO — Hefik Watch Co.
IXK — Pilgrim Electronics, Jadur
IXL — Eterna
IXN — Ardath Watch Co.
IXO — Ollendorf Watch Co.
IXS — Stetson Watch Co.
IXW — Certina, Kurth Freres
JXE — Normandie Watch Co.
JXJ — Jules Jürgensen Corp.
JXL — J. Lipschutz Co., Le Phare, Sultana, Octo Watches Inc.
JXR — J. Racine Co., Gallet
JXS — Heuer, Aerotel
JXZ — James Schulz
KBH — Endura
KBU — Baume & Mercier
KOB — Kelco Watch Co.
KOS — Paul Buhre
KOT — Max Landau & Co. Inc.
KOZ — Minerva Watch Co.
KXA — Astin Watch Co., Benedict Watch
KXB — Ernest Borel
KXC — Marwin Watch Co. S.A.
KXF — Zodiac Ltd., Clebar
KXJ — William J Kappel
KXO — Blancpain, Rayville Watch Co. Ltd.
KXV — Louis Watch Co. Inc., Emerson Watch Co.
KXZ — Benrus, Central, Kelton
KZX — Rutex, J. Weber, Sellita, Grewaco, Stroun Bros., Brenzikofer & Co. S.A., Boillat Fils, Sarwa
LBA — Ollech & Wajs
LOA — Emil Lange
LOD — Latham Watch Co. Inc.
LOE — Hydepark, Enicar, Packard, Delbana, Glycine
LON — Lorna Watch Co.
LOT — Lathin
LOV — Creation Watch Co., Levrette
LOY — Benrus, Lathin
LXA — L. Adels Co., Elbon, Lancet, Langendorf, Winton, Marc Nicolet, Helzberg, Sleda
LXC — Lyceum Watch Co.
LXE — Evkob Watch Co.
LXI — Lasalle Importing Co. Inc.
LXJ — Jaeger LeCoultre, LeCoultre
LXM — Accro Watch Co.
LXP — Lyceum Watch Co.
LXW — Longines
LYE — Aureole
LZE — Sellita Watch Co.
LZF — Joseph Laufer
LZL — Henry Gireaux Watch Co.
MBA — Watch Imp. Corp., Germinal Voltaire
MOG — M.A. Mead & Co., Avia, Degoumois & Cie., Boulevard
MOK — Montauk Watch Co.
MOR — Eloga Watch Co.
MOU — Mont Vernon, Delbana, Tower, Buttes, Mepa Watch Corp., Brenzikofer & Cie. S.A.
MOV — Marvin
MOY — William A. Muney, Military
MOZ — Mido Limited
MWS — Le Jour Time Co.
MXC — Marshall
MXE — Monarch Watch Co.
MXF — Marshall Fields & Co., Harman
MXH — Morris Hoffmann Inc., Invicta, Seeland
MXI — Movado Factories
MXS — Montres Sicura S.A.
MXT — E. Mathey-Tissot & Cie.
MXU — Zimet Watch Co., Munwill Watch Co.
MYD — F. Suter & Cie.
MYS — Military Supply Co.
MYU — R. Lapanouse S.A., Rego Watch
NGH — Universal Genève
NJD — Nastrix
NOA — Ulysse Nardin
NOD — Nastrix Corp.
NOG — Enicar, Kuper Watch Co.
NOH — Heyworthy, A. Hirsch, Phenix
NOK — Pilot, Ralco
NOS — Amida S.A., Heritage, Defender
NOU — Louvic, Hoda, Vulcain, Ditisheim & Co.
NWX — Charles Gigandet S.A.
NXA — LeCoultre Co.
NXI — S. Barruch & Co.
NXJ — National Jewellers Co.
NXO — Oris Watch Co. S.A.
NXS — Popper Watch Co.
NYN — Conoseur Watch Co.
OBF — Movements Co.
OWT — Caravelle
OXG — Norman Morris imports, Omega (1937 - 1970), Ollendorf Watch Co.
OXH — Mohawk Watch Co., Cronwell Watch Co.
OXL — Paul Wyler & Co., Marquise Watch Co.
OXW — J.R. Wood, Omega (1928 – 1936)
OXY — Artis
OYM — Cromwell
OYT — Sandoz, Shriro, Vulcain Watch Fy.
OZA — Doxa S.A.
OZP — Belforte Watch Co.
POA — Ardath Watch Co.
POB — General Watch Co., Helvetia
POC — Piaget
POF — Aureole Watch Co., Joseph Boillat Fils, Herald Watch Co.
POH — Perfine Watch Co., Muralt
POK — Karl Plepla, Jadur, Superior
POX — Lucerne, Wega
POY — Camy (Stroun Freres S.A.), Copley
POZ — Keva Watch
PWP — Vulcain
PWY — Spera
PXA — Pierce S.A.
PXC — Crawford Watch Co.
PXD — Nivia Watch Co.
PXP — Patek, Philippe & Co.
PXT — Paul Breguette Watch Co.
PXW — Parker Watch Co.
PYC — Pedre
PYS — Langel Watch Co. S.A., Borgerat, Rosieres Watch
PZG — Sovereign Watch Company Inc.
QBP — Fresard Watch Co. (Lucien Piccard)
QOG — Octo S.A.
QXL — Emerson, Lauret
QXO — Kelbert
QXY — Acme, Lyceum
QZY — Onsa, Nileg, Hans Jörg Gilomen
RBZ — J. P. Pingouin Co., Hunsberger & Cie.
ROC — Raleigh
ROD — Regent
ROH — Calbert
ROL — Ribaux Watch Co.
ROM — E.W. Reynolds Co., Avia, Belvue, Reyco
RON — Frey & Cie., Freco, Roo Watch Co.
ROP — Rodania Watch Co., Rodana Watch Co.
ROR — Jean Louis Roehrich, Audemars Piguet, Accura Watch Co.
ROT — Rodania S.A.
ROV — Marden Watch Co., Inc.
ROW — Rolex, Tudor
RXB — Consolidated Watch Co.
RXE — Brenet
RXG — R. Gsell & Co. Inc., Cortebert, Olympic, Zodiac
RXM — Galmor
RXU — Roamer (Meyer & Stüdeli)
RXV — Juvenia Mfg.
RXW — Rima Watch Co., Roamer (Meyer & Stüdeli)
RXY — Gala, Liengme & Cie.
RXZ — Benrus, Tower Watch Co. Ltd.
RYD — Richard Watch Co.
RYT — Clinton, Robot Time Inc.
RYW — Ritex Watch Co.
SOA — Felca, Felca & Titoni, Siduna
SOE — Semca Watch Corp., Louis Schwab S.A.
SOL — Stuart
SON — Defender Watch Co.
SOW — Seeland Watch Co., Invicta
SOX — Cortebert, Orvin Watch Co., Tradition Watch Co., Sears Roebuck & Co.
SWU — Semag, Alben, Joseph Boillat Fils, Brenzikofer & Co. S.A.
SWV — Markham Watch Co.
SXA — Schneider & Co., Nivada S.A.
SXE — Banner, Savoy
SXK — Bovet Freres & Co. S.A., Eska Sylvan Kocher & Cie.
SXS — Franco-American Import Co.
SXT — Revere Watch Co.
SXU — Segut Watch Co.
SYQ — Huga S.A.
TOB — Pronto
TOC — Capt & Cie.
TOH — Banner, Rivera
TWA — Chs. Tissot & Fils
TXD — Illinois Watch Co., ETA
TXF — Stauffer Watch Co.
TXJ — Latham
TXO — H. A. Steele & Co.
TXU — Alpina Watch Corp. of America
TXW — Tavannes Watch Co. S.A., Cyma, Movado
TXY — Tourneau Watch Co.
TYW — Seth Thomas Clocks, Elgin
TYX — Trebex
UOA — Actua
UOB — Aero Watch S.A., Enicar
UOR — Rado
UOW — Universal Genève
UWP — Palmer Sales Corp., S.A. Montres Jaquet & Girard
UXM — Medana, Meyer & Stüdeli
UXN — Marsh
UXO — Wega
UXS — Americus Watch Co.
UYN — Mantab Watch Co. (C. Ruefli-Flury & Cie.)
UYW — Stanley Watch Co., Continental Watch Co.
UZC — Panto Watch Co.
UZO — Crossroads Watch Co., Breitling
VCS — Britix
VOA — Ventura, Assaels
VOB — Grana, Kurth Freres
VOH — Vulcain Watch Fy.
VOS — Voumard, Sheffield, Baume & Mercier, Britix, Jenco Watch Ltd. (Jenny & Frey)
VTS — Thoresen, Schild/Orator, Charles Gigandet S.A., Gerol/Marcel Benoit S.A.
VXB — Chase, Hamilton, Louis
VXC — Edmond E. Robert — Vacheron & Constantin
VXN — Longines-Wittnauer Co. Inc., Vacheron & Constantin, LeCoultre
VXO — Transit
VXT — Kingston, Hilton
VXV — Libela Watch Co.
VXZ — Lewis & Son
VYE — Benrus
VYS — Thoresen, Gigandet, Marcel Benoit, Orator
WOA — Tower Watch Co. Ltd.
WOB — Wyler Watch Co.
WOG — Wakmann Watch Co. Inc., Breitling
WOH — Accura Watch Co.
WOK — Ralco Ltd.
WOR — Creston
WXC — Williamson, Buren, Norwich (Imperial)Watch Co., Vacheron & Constantin
WXE — Welsbro Watch Co.
WXH — Harvel Watch Co.
WXJ — John Wanamaker
WXO — Waltham Watch Co.
WXW — Westfield Watch Co.
WXZ — Breitling
WYA — Edward A. Waldman Co.
WYM — Lemania
WYW — Wadsworth
WYX — World-Wide Watch Co., Continental, Harvester
XOU — Pronto Watch Co.
XOV — Endura (Gaston Ries)
XXZ — Kelton
XYG — Westclox
XYH — Alpha
XYQ — Huga S.A.
XYV — Hampden
XZF — Joseph Boillat Fils, Sellita Watch Co.
YOA — Perfecra Watch Co.
YOM — Moradpour Trading Co.
YOU — Hallmark Watch Corp. (Louis Aisenstein & Bros.)
YXD — Crysler, Lucerne
YXR — Angelus S.A.
YXV — Hampden
YXY — Elgin
YZW — Marshal Watch Corp., Ovivo
ZBH — Mondaine
ZFX — Zenith
ZOA — Baylor Watch Co., Cortebert, Glycine
ZOB — Belvior, Evans
ZOK — Telda
ZON — Fludo Watch, Selza Watch Co. (Zellcon)
ZOV — Titus, Paul Ditisheim S.A.
ZOX — M & W Ullman
ZWG — Dufonte Co.
ZWP — Baume & Mercier
ZXB — Zell Brothers Inc.
ZXF — Ebel Watch Co.
ZXL — Luzerne Watch Co., Beguelin & Co.
ZXO — Podell Watch Co.
ZXT — Mentor Watch Co.
ZXW — Benrus, Vulcain Watch Fy.
ZYB — Hawthorne Watch Co.
ZYV — Hampden
US import codes