ALSGP - All Light SEIKO Gold Colour Plated Case
ASGP - All SEIKO Gold Plated Case
ATC - All Titanium Case
FRP - Fibre Reinforced Plastic
GPDP - Combined SGP and PDP middle with bezel and SS back
GPHC - Combined SGP and HC middle with bezel and SS back
HC - Hard Coating SS middle with bezel and SS back
HGC - Hard Gold Coating middle with bezel and SS back
L - Luminous hands
LSGP - Light colour SGP
MSSGP - SS bezel, Combined SS and SGP middle and SS back
PDP - Palladium plated middle with bezel and SS back
SGP - SEIKO Gold Plated case and SS back
SS - Stainless Steel case
SSGP - Combined SS and SGP middle with bezel and SS back
SSHC - Combined SS and HC middle with bezel and SS back
TGP.MSSGP - SGP bezel, combined SS and SGP middle and SS back
TGPDP - Combined SGP and PDP bezel, SS middle and SS back
TGPTI.TI - Combined Ti and SGP bezel, TI middle and TI back
THC - HC bezel, SS middle and SS back
THC.BTI - HC bezel, BTI (Bright Titanium) middle and BTI back
TI - Titanium
TI.HC - TI front and HC back
TPDP - PDP bezel, SS middle and SS aback
TSGP - Combined SS and SGP case and SS back
TSSGP - Combined SS and SGP bezel, SS middle and SS back
TSSHC - Combined SS and HC bezel, SS middle and SS back
TTIHC.TI - Combined TI and HC bezel, TI middle and TI back
WR - Water resistant
XL - Lumibrite hands and hour markers