Audemars Piguet Royal Oak Offshore Chrono 25721ST.OO.1000ST.08.A 44mm Stainless Steel Watch Black Dial

This is a stainless steel Audemars Piguet Royal Oak Offshore Chronograph 25721ST.OO.1000ST.08. It has an integral stainless steel link bracelet, and a scratch resistant sapphire crystal. The 44mm diameter case, octagonal fixed bezel with 8 screws, and bracelet are brushed. It has a screwed down solid case back secured with 8 screws. The screwed down chronograph push-buttons and winding crown have black rubber cladding, and there is a tachymeter scale around the outer rim. The dial is black with the tapestry "waffle" design texture, with large luminous Arabic numeral hour markers, and luminous filled baton hands and a white central chronograph hand.

There are three black sub dials, including a small seconds dial at the 12 o'clock position, a 30-minute counter at 9 o'clock, and a 12-hour dial at 6. A date aperture window is at 3 o'clock underneath a 2.5x Cyclops magnifying lens. It is water resistant to 100 meters/330 feet, with a power reserve of 40-hours. The 14mm thick case, dial, and movement are all signed. This Audemars Piguet Royal Oak Offshore Chronograph 25721ST.OO.1000ST.08 has a mechanical automatic self-winding Audemars Piguet caliber 2326/2840 movement that's rhodium-plated with fausses cotes embellishment. It's constructed with 54 jewels, a shock absorber mechanism, and a straight-line lever escapement. It includes a monometallic balance that's adjusted to heat, cold, and 5 positions, a self-compensating flat balance spring, and a 21K gold rotor that oscillates at a frequency of 28,800 vph (4 Hz).

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