Longines Sport/Diving Collection SWiss Quartz Automatic Watch With A Stainless Steel Bracelet Strap, 43mm Case With A Rotating Bezel & black Coloured Dial. The Ultra Most Accurate Watch Inspired by the original Longines Ultra-Chron Diver of 1968, the new model and its new high-frequency calibre represent the first reinterpretation of what sets Longines apart – its status as a pioneer in the world of sports timing. It will appeal to both vintage watch aficionados and lovers of high technology. Featuring a steel bracelet, this model is delivered in a special presentation box containing a black NATO strap crafted from recycled material. Lug Distance: 22 mm Weight: 185.7 g Specificities: Swiss Super-LumiNova® Caliber: L836 MOvement: Self winding mechanical movement beating at 36'000 vibrations per hour, with a monocrystalline silicon balance-spring power reserve of approximately 52 hours Functions: Hours, minutes, seconds Buckle: With triple safety folding clasp and push-piece opening mechanism MAgnetic Resistance: Yes