Automatic caliber BALL RR1201-C Chronometer certified COSC 44 micro gas tubes on hour, minute, second, second time zone hands, dial and bezel for night reading capability Luminous three time zone indication Hours, minutes, sweep seconds and date 7,500Gs 100m / 330ft 4,800A/m Stainless steel Ø 42mm, height 13.85mm Bidirectional rotating curved sapphire bezel with micro gas tubes for night reading capability Dome-shaped anti-reflective sapphire crystal Patented crown protection system Tapered stainless steel bracelet with patented folding buckle & extension system or rubber strap with standard buckle
