Updated Miyota - OS20 Japanese quartz 6-hand chronograph with date and a 9 o'clock crown and pusher placement.;51mm, 300 meter/30 ATM custom solid stainless steel, unidirectional rotating bezel with countdown timer, hardened mineral crystal, screw down crown and pushers, stainless steel screw down caseback and screw pin lugs.;25mm custom solid stainless steel or handmade acetate 3-link bracelet with stainless steel double locking clasp with micro adjust.