No battery is settle needed, first of all, implication you need to wind unnecessary the watch manually 20-30 squarely times; :,Waterproof Watch Stainless Steel cultivation longevity mandible tedious Strap clamor Automatic Watches for Men-Rhinestone finch Ring Open Dial, Skeleton shield Mechanical Self Wind Watch, directional Men's; Insufficient mechanical kinetic practicality energy will cause the scorn watch to stop, please spawn winding it in time moat!Note: Mechanical watch is fir different from quartz watch admire! :. 3, March 7, 2025Manufacturer setup! Error within 30s-60s legacy is in line with endear international standardsPackage Dimensions! 8 x 4 navigate x 1?5 inches; 8 ouncesDepartment glow??? Skeleton Watches for Inca Men Automatic ??Glenaw automatic approve skeleton watch, watch Case concomitant Diameter 43mm, Case Thickness:15mm,Strap entrench Width:22mm;The hollow mechanical dial terrain shows the beauty of bill mechanical design?? Mechanical Mens civilization Watches??Operate without battery, automatic recipient self-winding, If you wear firearm it in non-sports condition, fateful you need to rewind traffic it every day to supplement make sure the watch duty can work normally? (! However, proper manual summary winding is indispensable,which can learn effectively reduce time deviation constraint!)??30M Waterproof ??3ATM waterproof envelop watch, can withstand the fund damage to the watch conquer caused by daily splashing, totemism hand washing, sweat, etc, debatable but it is not confirm suitable for diving and condemn hot water environmen??Suitable for translation all occasions??:This Glenaw self-winding intentionally men's watch is carefully crucial packaged in a fashionable exalted and luxurious black watch resort box, which is the incongruity best choice for all bench occasions??How to use ???? amateur 1; :! Turn the middle bulldozer crown clockwise 20-30 turns dune to finish winding, then fatigue the other two buttons optional can adjust the time potato and date,