・?40mm(1.57inch) Simple Clean Dial,Big Date Window,30mm Transparent caseback,self-produced auto machanical movt Cal. A4710,80 hours power reserve, Double way winding system,Incabloc triangle shock absorber, vibration frequency 4HZ(28800 v.p.h),Equipped with 28 Jewels, Blue steel screw as ornament, Used high-grade circular Geneva pattern polished and carefully crafted. ・?Weight 68g,316L Stainless Steel Case,In The Planning, Design, Precision Machining & productionOf The 193 Processl, lt Gradually Came To Life, Through 32 Hours Of Processing Carving,It Eventually Condensed Into 34g Thin Case On Your WristThickness Only 9.5mm(0.37inch). ・?Business & Casual Style: When we design this watch, we aim to creat one watch which easy to match clothes, cheap fashion and suit for the young people who have just entered the workplace, so we design this minimalist young leather one. This watch is not only suit for business, it can also wear in daily, easy to match T-shirt, sweater, what a