3 letter codes for watch companies

AOC Roamer
AOL Adolph Schwarcz&Son
AOX Alstate W,Co.
AXA Wittnauer
AXZ Benrus
AYP Audemars Piguet
BOL Lemania
BXC Avia
BXJ Midland
BXN Benrus(2)
BXP ImperialPretzfelder&Mills
BXW Bulova
COC Crawford
COW Croton
CXC Concord
CXD Cypres
CXH Clinton
CXV Cort
CXW Central, Benrus(3)
DOB Dreffa W.Co.
DOW Deauville
EOE Elrex
EON Avalon
EOP Harvel
EOT Lavina
EXC Everbrite
FXE Provis
FXU Louis Aisenstein&Bros.
FXW Louis(1)
GXC Gruen
GXI Gotham(Ollendorff)
GXM Girard-Perregaux
GXR Grant
GXW Gothic
HOM Homis
HON Tissot(1)
HOR Lanco
HOU Oris
HXF Harman
HXM R.H.Macy&Co.
HXN Harvel
HXO Harold K.Oleet
HXW Helbros
HYL Hamilton
HYO Hilton W Co.
JXE Normandie
JXJ Jules Jurgensen
JXR Gallet
KOT Landau
KXJ Wm.J.Kappel
KXV Louis(2)
KXZ Kelton
LOA Emil Langer
LOD Latham
LOE Packard
LXA Laco
LXE Evkob
LXJ LeCoultre
LXW Longines
MOG Mead&Co
MOU Tower
MXE Monarch
MXH Seeland
MXI Movado
MXT Mathey-Tissot
NOA U.Nardin
NOS Heritage
NOU Louvic
NXJ National Jewelers Co.
NXO Oris
OXG Omega
OXL Wyler(1)
OYT Shriro(Sandoz)
POY Camy
PXA Pierce
PXP Patek Philippe
PXT Paul Breguette
PXW Parker
PYS Langel
QXO Kelbert
ROC Raleigh
ROL Ribaux
ROP Rodania
ROR Rolex
RXG R.Gsell&Co.
RXM Galmor
RXW Rima
RXY Liengme
RYW Ritex
SOA Felca
SOE Semca
SOW Seeland
SOX Cortebert,Orvin
SXE Savoy;Banner
SXK S.Kocher&Co.
SXS Franco
UOA Actua
UOB Aero
UOW Universal
UXM Medana
UXN Marsh
UYW Stanley W.Co.
VOS Sheffield
VXN Vacheron&Constantin
VXT Kingston
WOA Tower
WOB Wyler(2)
WOG Breitling
WOR Creston
WXC Buren
WXE Welsbro
WXW Westfield
ZFX Zenith W.Co.
ZOV Titus
ZXV Hampden