Movement Caliber Number 6R35 Movement Type Automatic with manual winding Precision +25 to -15 seconds per day Power reserve Approx. 70 hours Jewels 24 Functions Stop second hand function Date display Case/Band Case Material Stainless steel (super hard coating) Case Size Thickness:13.2mm Diameter:42.7mm Lug-to-lug:46.4mm Crystal Curved sapphire crystal Crystal Coating Anti-reflective coating on inner surface LumiBrite LumiBrite on hands, index(es) and bezel Clasp Three-fold clasp with secure lock , push button release with extender Distance between lugs 20mm Other Details Weight 180.0g Features SPECIAL EDITION on the case back Screw case back Unidirectional rotating bezel Screw-down crown Three-fold clasp with secure lock Screw case back