| ASGP |
All SEIKO Gold Plated Case |
| ALSGP |
All Light SEIKO Gold Colour 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 |
Lumibrite 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 |
| SSGP |
Combined SS and SGP middle with bezel and SS back |
| SS |
Stainless Steel case |
| 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 |