Oris Big Crown Complication

The Oris Big Crown Complication, reference 01 581 7627 4364-07 5 20 76FC, is a GMT watch in a 40 mm steel case with a screwed see-through back, rated to 100 metres, on a leather strap with 20 mm lugs. The black dial beneath domed sapphire is bordered by a rose gold PVD-plated steel bezel. Subsidiary displays indicate the date, weekday and second time zone. The dial also carries central seconds and a moon phase window. The self-winding calibre 581 has a 38-hour power reserve.