DIMENSIONS: case diameter 47 mm; height 14 mm; weight 100 g. MATERIALS: 316L stainless steel; top glass sapphire crystal with anti-reflective coating; caseback screwed; crown screwed. DIAL: arabic numerals and luminous insert, 3 hands; movable bezel and world time functions. STRAP: genuine Italian leather with standard buckle; width 22 mm (lug to lug). MOVEMENT: Seiko SII Cal. NH35 (In-House Elaborated) - Japan Movt. self-winding; frequency 21,600 VPH (3.0 hz); power reserve +40 hours; jewels 24. WATER RESISTANT: 30 ATM (300 meters).