ORIENT M-FORCE SEL03004B Air Diver Automatic Power Reserve 200M Engineered for the connoisseur of aesthetic simplicity, the Power Reserve Series is assured through a power reserve indicator that indicates the watch's remaining power. Mechanical Movement: ORIENT caliber EL03 (40N) made in Japan Self-winding movement 22 jewels, 21600/hour vibrations, Power reserve indicator Power Reserve: 40 Hours Screwed-down crown Case: Stainless steel One-way Rotating Bezel Designed to Fit the Hand with Underwater Glove Band: Stainless steel bracelet Water resistant: 200m Size: 47.8mm without crown / 51.5mm with crown Thickness: 13.45mm Glass: Sapphire crystal Dial: Black One year International warranty