Audemars Piguet Royal Oak Chronograph Automatic 39mm ’Kasparov’, 18kt Yellow Gold on Bracelet, Silvery White "Clous de Paris" Tapisserie Dial, Three Register Chronograph with a Date Aperture Window Between 4 o’clock and 5 o’clock, Self-Winding AP Caliber Chronograph Automatic Movement. Fitted on a solid 18kt Yellow Gold Royal Oak Bracelet with Hidden Fold-Over Deployant Buckle. This is an Extremely Rare and highly coveted edition. 

The 39mm diameter hexagonal solid three-body case, hooded lugs, bracelet, and flat hexagonal bezel with 8 polished hex-head face screws and polished beveled edges, are polished/brushed. The dial is white with a grande tapisserie texture, applied luminous square hour indices set in gold chatons, and around the plain white perimeter rehaut is a black minute/second scale with Arabic numerals every five seconds to 60. It has gold Royal Oak baton hands with luminous inserts, a black center sweep chronograph second hand with a wedge-shaped counterbalance, and there is a date aperture window between 4 and 5 o’clock. It includes three recessed gold-ringed white subsidiary dials with black markers, Arabic numerals, and black indicator hands, including a 12-hour chronograph totalizer at 9 o’clock, a small constant running seconds register at 6 o’clock, and there is a 30-minute chronograph counter at the 3 o’clock position. It’s water resistant to 50 meters/165 feet, it has a 48-hour power reserve at full winding, and the 11mm thick case, dial, and movement are all signed. It includes a screw down hexagonal winding crown protected by crown guards, hexagonal chronograph push buttons, and there is a solid octagonal case back secured with 8 screws and engraved in high relief with "ROYAL OAK," and a serial number. 

This Audemars Piguet Royal Oak Chronograph 25960BA.OO.1185BA.01 has a mechanical automatic self-winding AP Caliber 2385 column wheel chronograph movement. It’s rhodium plated with fausses cotes embellishment, and it’s constructed with 37 jewels, 304 components, and a shock absorber device. The mechanism oscillates at a frequency of 21,600 vph (3 Hz).