DIMENSIONS: case diameter 43 mm; height 12 mm; weight 70 g. MATERIALS: 316L stainless steel; top glass sapphire crystal with anti-reflective coating; caseback screwed; crown screwed. BEZEL: 120-click undirectional with applied indexes and luminous insert. DIAL: arabic numerals and luminous insert, 3 hands. STRAP: professional Nato 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: 10 ATM (100 meters).