Seiko ASTRON men's watch black solar charge SSJ015J1 titanium case. Watch with black high-intensity titanium case with a diameter of 41 mm and a thickness of 12 mm. Titanium bezel with polished and satin black finish. Screw back. Black dial with mineral glass and date. White indexes and hands with LumiBrite. Quartz movement with GPS solar charge caliber 3X62. 6 month power reserve. 10 bar waterproof. Accuracy +- 15 seconds per month. Model equipped with Overload prevention function, Energy saving function, Perpetual calendar until February 28, 2100, Power reserve display, Satellite acquisition status display function, Reception result display function, GPS signal reception avoidance function. Black titanium bracelet with folding clasp and release buttons. 10 bar waterproof. Delivered with original box and official guarantee.