Oris TT1 Chronograph

The Oris TT1 Chronograph, reference 01 674 7659 4163-07 8 25 10, is a chronograph with a 45 mm steel case on a steel bracelet with 25 mm lugs, rated water resistant to 100 metres. Under flat sapphire, the grey dial displays small seconds and a date window. A tachymeter scale adds a graduated indication. The screwed see-through case back incorporates mineral glass. Self-winding calibre 674 runs with a red rotor and a 48-hour power reserve.