Movement Caliber Number 8L35 Movement Type Automatic with manual winding Accuracy +15 to -10 seconds per day Duration Approx. 50 hours Exterior Case Material Ever-Brilliant Steel Crystal Dual-curved sapphire crystal Crystal Coating Anti-reflective coating on inner surface LumiBrite LumiBrite on hands, index(es) and bezel Band Material Silicone Other Details Water Resistance 200m / 660ft diver's Case Size Thickness: 13.1 ㎜ Diameter: 42.6 ㎜ Length: 49.3 ㎜ Weight 120.0 g Other Specifications An additional polyester strap is included LIMITED EDITION on the case back Screw case back Screw-down crown Serial number engraved on the case back Unidirectional rotating bezel Other Features 26 jewels Date display Stop second hand function