Movement Caliber Number 6R35 Movement Type Automatic with manual winding Accuracy +25 to -15 seconds per day Duration Approx. 70 hours Exterior Case Material Stainless steel (hard coating) Crystal Sapphire crystal Crystal Coating Anti-reflective coating on inner surface LumiBrite LumiBrite on hands, index(es) and bezel Band Material Polyester Other Details Water Resistance 200m / 660ft diver's Case Size Thickness: 12.5 ㎜ Diameter: 42 ㎜ Length: 48.8 ㎜ Weight 109.0 g Bracelet Length 260 ㎜ Other Specifications An additional silicone 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 24 jewels Date display Stop seconds hand function