Oris Big Crown Complication

The Oris Big Crown Complication, reference 01 581 7627 4061-07 5 20 76FC, is a GMT watch with a 40 mm steel case, 20 mm lugs and a leather strap, rated water resistant to 100 metres. Beneath domed sapphire, the silver dial displays a second time zone in a subsidiary dial. A moon phase window joins date and weekday subdials. The screwed case back is see-through. Calibre 581 winds automatically with a 38-hour power reserve and drives central seconds.