Case material: Rose gold; Charge: Manual; Conditions: Good Presentation condition : With dealer guarantee ; Price on request Gmtbroker Reference: 26223RO.OO.D010CA.01 - Matte 18kt rose gold case. - Matte white ceramic bezel with polished finished beveled corners, secured by 8 brushed white gold screws. - Brushed & polished white ceramic crown & chronograph pushers. - Thin black dial flange with printed minute/seconds & fractions-of-a-second chapter ring & with luminous hour markers. - Rose gold hands, hours & minute hands partially skeletonized & with luminous fill. Movement component materials & finishes: - Movement main-plate is made of forged carbon. - The central bridge is brown anodized aluminum - some of which is visible through the case back. - Tourbillon bridges and chronograph counter made of hand-drawn steel with black PVD coating. - Crown position indicator bridges and power-reserve bridges made of sapphire-blasted nickel, hand-drawn and coated with black PVD. - Tourbillon carriage bridges and are made of sapphire-blasted steel, coated with black PVD & finished with polished beveled corners. - Balance coated with black PVD and secured by yellow-gold screws Power Reserve: Power Reserve Indicator at the 12 o'clock position. The watch has an amazing 10 day power reserve is achieved through the use of 2 barrels. Each barrel is wound by a mere 19.75 turns. Although the use of 2 barrels allow for a power reserve of 290 hours, however, an ingenious locking system – in the low and high winding-level zones – concentrates the