Automatic quartz 35. Visible clockwork mounted with two blue screws at 6 O’clock position. 316L Stainless steel. Chest color black. Dial with ring for 24 hours, frames for date, month and day, color . Scratch free glass. Bottom of stainless steel and glass with the engraved reference . Design band closing with steel buckle with logo engraved, color . Nickel free. 3 ATM waterproof. Not suited for swimming. Weight 104 gram. Diameter 44 mm. Thickness 15 mm. Including a beautiful Calvaneo 1583 box, warranty card and manual.