MODEL: BJ7144-52L, 12/19/2021MOVEMENTTECHNOLOGY: B877, Eco-Drive,Powered by any light source, continuously and sustainably, eliminating the needto replace watch batteries.CASE WIDTH (MM): 44BAND TYPE: Bracelet, Stainless SteelCASE MATERIAL: Two-Tone, Stainless Steel, RotatingInner Dial RingCRYSTAL: Sapphire Crystal, Superior scratchresistance and hardnessCLASP: Fold Over Clasp with Hidden Push ButtonsDIAL: Blue, Luminous Hands and MarkersWATER-RESISTANCE:WR200/20Bar/666ft [Swimming, Showering& Snorkeling]ADDITIONALFUNCTIONS: Dual Time (Second Time Zone), Date