Normalized from the manufacturer and trusted public sources. Every field carries its provenance.
| Brand | Grand Seiko | Published |
| Reference | Unknown | Published |
| Case material | See-through & Screw case back | Published |
| Diameter | Diameter 40.0mm Lug-to-lug 47.0mm Thickness 11.7mm | Published |
| Thickness | 11.7mm | Published |
| Lug-to-lug | 47.0mm | Published |
| Lug width | 22mm | Published |
| Crown diameter | Unknown | Published |
| Bracelet taper | Unknown | Published |
| Clasp width | Unknown | Published |
| Movement | 9SA5 Instructions | Published |
| Power reserve | Approx. 80 hours | Published |
| Crystal | Box shaped sapphire crystal | Published |
| Water resistance | 10 bar | Published |
| Warranty | Unknown | Published |