Specifications Movement Caliber Number 6R64 Movement Type Automatic with manual winding Precision +25 to -15 seconds per day Power reserve Approx. 45 hours Jewels 29 Functions 24-hour hand Date hand Power reserve indicator Calendar-linked time difference adjustment function Stop seconds hand function Case/Band Case Material Stainless steel (hard coating) Case Size Thickness:13.7mm Diameter:42.2mm Lug-to-lug:49.2mm Crystal Sapphire crystal Crystal Coating Anti-reflective coating on inner surface LumiBrite LumiBrite on hands and index(es) Clasp Three-fold clasp with push button release Distance between lugs 20 Other Details Water Resistance 10 bar Weight 181.0g Features LIMITED EDITION on the case back Serial number engraved on the case back See-through & Screw case back