Men's wrist watch bracelet mechanism : battery powered quartz glass: mineral bracelet: adjustable steel band water resistance: 3 atm battery life : 3 years calendar: available gender: male case diameter : 46-50 mm authenticity: 100% product warranty period : 2 years package contents: original box, warranty card, invoice and bracelet Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.