Aubert Freres Chronograph Batali Mens Watch Chronograph Functions With 3 Working Subdials (1 sec, 1 min, 60 min), Applied Hour Markers With Luminescence, Date Window at 4 O'clock; Case Dimensions 42.5mm x 51mm x 15mm Surgical Grade 316L Stainless Steel Case, Bezel and Clasp, Tachymeter Scale on Bezel, Screw Down Stainless Steel Case Back, Coin Edge Push/Pull Crown, Two Stainless Steel Chronograph Pushers, Water Resistant to 5ATM(50m or 165ft) Surgical Grade 316L Stainless Steel Bracelet, Surgical Grade 316L Stainless Stel Push Button Deployant Clasp; Band Dimensions 214mm x 23mm Reinforced Mineral Crystal VD57B Quartz Movement