Function functional 3 atm waterproof black color silicone band men's wristwatchthe product is sent as a gift package. gift note is added upon request. gender: malemechanism: battery quartzcord: adjustable, anti-darkening and fading-resistant silicone bandwater resistant: 3 atmcalendar: availablebattery life: 3 yearcase diameter: 41-45 mmoriginality:100% original and invoiced. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.