The F.P. Journe Chronomètre Optimum ref. CO is presented in 18K 6N red gold, with the patented bi-axial EBHP escapement, built with titanium wheels and arbors so that it runs without lubrication. Calibre 1510, manual winding, 70 ± 2 hours of autonomy; 44 jewels; 18K 6N red gold case, 9.5 mm thick; Patented bi-axial EBHP escapement, running without oil; Twin mainspring barrels and a remontoir d'égalité; Large dead-beat seconds displayed on the case back; Movement in 18K rose gold. Year 2024. Condition: unworn, light hairlines. Maker: F.P. Journe. Reference: CO. Year: 2024. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request. Case Material: 18K 6N red gold. Movement: Hand-wound, Calibre 1510. Dial: 18K 5N gold and whitened guilloché silver. Complications: Remontoir d'égalité, dead-beat seconds, power reserve.