Seiko SPB381J1 with mechanical automatic movement with manual winding capability. Caliber 6R54 with 72-hour power reserve. present 24 rubies within the mechanism.

Stainless steel case 42 mm in diameter, 12.9 mm thick and lug-to-lug of 48.6 mm. Water resistance to 20 bar/200 meters.

Anti-reflective and scratch-resistant treated domed sapphire crystal.

Green rotating dial and bezel, accompanying lumibrite-treated inci for viewing in the dark. the same treatment is also done on the hour, minute, second and GMT hands. Date window at 4 o’clock.

Adjustable stainless steel strap with deployment clasp and triple security. Distance between the lugs of 20 mm.

Accompanied by official Seiko packaging and warranty.