Wenger 77010 AeroGraph Cockpit Chronograph Watch - Movement : Swiss Quartz Chronograph - Waterresistance : 100m (330ft) - Case material : stainless steel 316L - Case finishing : black PVD coating - Case size : 42mm x 42mm - Case-back : screw-on - Crystal : mineral - Crown : screw-down - Dial color : black - Dial style : white SuperLuminova numerals - Indicators : 6 hands - hour / minute / small second / chronofunctions - Strap/bracelet material : rubber - Color of strap/bracelet : black - Buckle : regular - Special features : date display - 12 hours counter - 30 minutes counter - 60 second counter - luminous for nighttime visibility - lug width 24mm