The Black Label Chronomètre Optimum in platinum pairs a one-second constant-force remontoir with a bi-axial escapement. Hours and minutes sit off-centre at 3 o'clock on a blackened gold and whitened guilloché silver dial, with small seconds at 9, the power reserve at 6 and a dead-beat second on the back. Calibre 1510, manual winding, 18K rose gold movement; 70 ± 2 hours of autonomy; 44 jewels; 42 mm, 9.5 mm thick; Manual-winding calibre 1510; 70-hour power reserve; 44 jewels, 21,600 vibrations per hour; 42 mm case, 9.5 mm thick. Year 2021. Full set. Maker: F.P. Journe. Reference: CO. Year: 2021. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request. Case Material: Platinum. Movement: Hand-wound, Calibre 1510. Dial: Blackened gold and whitened guilloché silver. Complications: Remontoir d'égalité, dead-beat seconds, power reserve.