“Craftsmanship” Enamel DialMovement Caliber Number: 6R55 Movement Type: Automatic with manual winding Precision: +25 to -15 seconds per day Power reserve: Approx. 72 hours(3 days) Jewels: 24 Functions: Stop second hand function Case/Band Case Material: Stainless steel (super hard coating) Case Size: Thickness:12.1mm, Diameter:40.2mm, Lug-to-lug:48.0mm Crystal: Dual-curved sapphire crystal Crystal Coating: Anti-reflective coating on inner surface Clasp: Three-fold clasp with push button release Distance between lugs: 20 Other Details Water Resistance: 10 bar Weight: 146.0g Features: Enamel dial, See-through & Screw case back, This enamel watch dial is manufactured by firing it at a high temperature. The process of melting enamel may create small dimples, tiny dots, and a rough surface. These attributes are unique features of genuine enamel watch dials, of which no two are exactly alike.