Oris BC4 Chronograph

The Oris BC4 Chronograph, reference 01 674 7633 4794-07 5 24 58BFC, is a chronograph with a 45 mm black DLC-coated steel case on a leather strap with 24 mm lugs, water resistant to 100 metres. The case has a see-through back, while a domed sapphire crystal covers the black dial. Small seconds and a date window share the display with elapsed-time counters. A red rotor winds calibre 674, a self-winding movement with a 48-hour power reserve.