This automatic self winding Audemars Piguet Royal Oak Self-winding Chronograph 41 mm has a case thickness of just 10.8 mm. Crafted from 18 Ct Yellow Gold the case with its octagonal bezel, glare-proofed sapphire crystal and screw-locked crown. The dial in blue “Grande Tapisserie” pattern with yellow gold hour markers and Royal Oak hands with luminescent coating and its 3 counter chronograph date display at the 4 o'clock position, small seconds at the 6 o'clock position. It has a self-winding Calibre 2385 and its functions include Chronograph, hours, minutes, small seconds and date. The watch Is water-resistant Up To 50 Meters (165 Feet) and offers a power reserve of approximately 40 Hours. Complimented by an 18 carat yellow gold bracelet with AP folding clasp.