men watch 41mm sapphire automatic mechanical date watches business luminous 316l stainless steel waterproof diving wristwatch, Slivery;brown

the chain watch crown adopts rx's patented double lock waterproof system, which can be firmly screwed on the watch case. the mirror is made of scratch resistant blue crystal glass. the fully sealed oyster case provides precise rx movement with the most precise protection against water, dust, pressure and impact. the watch strap is equipped with a half ring type three piece chain link, which is specially created for the oyster type constant week calendar type launched in 1956. as the representative of noble quality and comfortable wear