Zenith Defy El Primero Defy El Primero, 18.9000.9004/71.R585, 2018 (Approximation), 44 mm, Skeletonized

The Zenith Defy El Primero 21 Automatic Rose Gold 44mm (Ref. 18.9000.9004/71.R585) is a high-performance luxury chronograph that showcases Zenith’s cutting-edge engineering and bold design. Crafted in 18K rose gold with a 44mm case, it features a striking skeleton dial that exposes the intricate mechanics within, including the signature El Primero movement. This model offers an extraordinary 1/100th of a second chronograph function, with the central seconds hand making a full rotation every second—an impressive visual display of mechanical precision. Subdials include a 30-minute counter at 3 o’clock, a 60-second counter at 6 o’clock, a small seconds at 9 o’clock, and a chronograph power reserve indicator at 12 o’clock. The transparent case back allows you to admire the twin escapement system and high-frequency movement, beating at 36,000 vibrations per hour. Water-resistant to 100 meters and paired with a stylish strap, this watch is as durable as it is sophisticated. Although the booklet and pass case are missing, the piece is brand new and offered at a special price—making it an excellent opportunity for collectors seeking cutting-edge horology in an elegant rose gold case.