Swiss Audemars Piguet Royal Oak 15400 couple watch

Audemars Piguet Royal Oak 15400 couple watch. cal.3120 automatic mechanical large 41mm, small 37mm neutral frequency: 21,600 oscillations per hour Number of parts: 280 power reserve: 60 hours Case material: stainless steel gold-plated dial shape: round dial material: platinum fluorescent three-dimensional time Standard watch mirror material: sapphire crystal glass crown material: stainless steel gold-plated strap material: stainless steel gold-plated clasp type: folding clasp. Water resistant to 200 meters.