•Movement•Caliber Number•6N42•Precision•±15 seconds per month•Battery life•Approx. 3 years•Other Details•Water Resistance•5 bar•Weight•55.0 g•Case/Band•Case Material•Stainless steel•CrystalHardlex•Case Size•Thickness:7.6 ㎜Diameter:30.0 ㎜•Lug-to-lug:36.3 ㎜•Distance between lugs : 14 mm•ClaspThree-fold clasp with push button release