Seiko Prospex Speedtimer Solar 42 MM Stainless Steel White Dial Watch SFJ001P1 Grand Seiko or the oversized case of

or the oversized case of the GA-110 and GX-56

the first analog model for the FROGMAN Series of G-SHOCK MASTER OF G ISO 200m diver-level water-resistant watches

and masking processes

Normal usage accuracy:         +10 to -1 seconds per day

See-through caseback

Seiko Prospex Speedtimer Solar 42 MM Stainless Steel White Dial Watch SFJ001P1 Grand Seiko or the oversized case ofCaliber Number: 8A50 Movement Type: Solar Precision: 15 seconds per month Power reserve: Operating for approx. 6 months (when fully charged) Case Size Thickness: 12. 9mm Diameter: 42. 0mm Lug to lug: 48. 3mm Crystal: Curved sapphire crystal Crystal Coating: Anti reflective coating on inner surface LumiBrite: Lumibrite on hands and index(es) Distance between lugs: 20mm Water Resistance: 10 bar Weight: 152. 0g