Worn by United States Air Force and United States Navy Pilots . . . . Precision Multi-Function OS80 Power Alarm Quartz Chronograph . . Features 1/20th Second 60 Minutes and 12 Hour Accumulated Elapsed Time . . Case in Solid Brushed 316L Stainless Steel . . Bracelet in Solid 316L Stainless Steel with Deployment Buckle and Double Lock Security Clasp . . Screw-Locked Crown and Screw-In Back . . Engraved Case Back . . Crown Shoulder Guard . . Unidirectional Racheted E6B Navigational Slide Rule Bezel for Calculation of Speed Distance and Fuel Consumption . . Tachymeter . . Super-LumiNova Advanced Illumination System on Hands and Indexes . . Alarm Indicator . . Sapphire Scratch Resistant Crystal . . Calendar Date Window . . Water Resistant to 100m (330ft) . . Diameter is 43.5mm Thickness is 11mm and Weight is 4.8oz . . Every Watch has a Serial Number and comes with a 2 Year International Warranty . .
- Quality Japanese-quartz movement
- Scratch-resistant sapphire crystal
- Solid 316L brushed stainless steel case and three-link stainless steel bracelet; screw-down crown and engraved screw-down case back; unidirectional bezel with 36B navigational slide rule markers
- Super-Luminova advanced illumination system; chronograph functions with 12-hour 60-minute and 1/20th second sub dials; date function at 4 o'clock
- Water-resistant to 330 feet (100 M)
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