Bracelet Type: Stainless Steel Movement: Automatic Main Collection: Prospex Gender: Men's Caliber Number: 4R36 Movement Type: Automatic with manual winding capacity Duration: Approx. 41 hours Exterior Case Material: Stainless steel Crystal: Hardlex with lenses LumiBrite: Lumibrite on hands, indexes and bezel Clasp: Three-fold clasp with secure lock , push button release with extender Other Details Water Resistance: 200m / 660ft diver's Case Size Thickness: 13.4㎜ Diameter: 42.4㎜ Length: 49.4㎜ Weight: 186.0g Other Specifications