men's mechanical watch 40mm m228348rbr-0039 black rock sugar diamond sapphire dial waterproof 50m 317l holiday gift watch, Slivery;brown

in terms of internal movement, it adopts the advanced china henan 2823 movement,in terms of sports life, it has been extended by 3 years from 5-7 years of the original cal.2813,time storage is extended for 24 hours 317l gold-plated stainless steel is used in the selection of watch case and strap. the resistance to pitting and creep is superior to 316l stainless steel, which makes the watch better retain its appearance when the buyer is wearing it in various environments in terms of watch waterproof, we have achieved the most stable 50m waterproof in the market, and can take a bath and wash hands while wearing.syi