The Audemars Piguet Selfwinding, reference 15513BA.OO.1320BA.01, is cased in 41 mm 18-carat yellow gold. It is powered by an automatic movement. Maker: Audemars Piguet. Reference: 15513BA.OO.1320BA.01. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request. Case Size: 41mm. Case Material: 18-carat yellow gold. Movement: Automatic. Dial: Natural malachite stone dial (single-piece polished malachite), 18-carat yellow gold hands and hour-markers with luminescent material, yellow gold-toned inner bezel. Bracelet/Strap: 18-carat yellow gold bracelet with triple-blade folding clasp in matching gold. Clasp: Three-blade folding clasp.