Patek Philippe CUBITUS series 5821/1AR-001

Design

Case: A two-tone design in 18K rose gold and stainless steel, the 45mm two-piece square case features rounded corners and a slim 8.3mm thickness, balancing wearing comfort and visual appeal. The case undergoes alternating polished and vertically satin-brushed finishes, creating a striking contrast of light and shadow. The screw-down crown and sapphire crystal case back ensure 30-meter water resistance and allow for viewing the movement.

Dial: The blue sunburst dial features horizontal embossed guilloché patterns, paired with 18K rose gold applied baton hour markers and round baton hands, all coated with white luminescent material for clear readability in low-light conditions. A rose gold date window at 3 o'clock has rounded bevels that echo the case design.

Bracelet: Equipped with a rose gold and stainless steel two-tone bracelet, featuring Patek Philippe's patented folding clasp and locking adjustment system, ensuring a secure and comfortable fit on the wrist.

Movement and Performance

Equipped with the Cal. 26-330 S C automatic mechanical movement, an upgraded version of the 2019 base movement, incorporating numerous technological innovations in the winding system.

The movement is 27 mm in diameter and 3.3 mm thick, composed of 212 parts and 30 jewels. The central 21K gold rotor is decorated with horizontal stripes, echoing the dial's design.

It vibrates at 28,800 vibrations per hour (4 Hz), features a Gyromax balance wheel and Spiromax hairspring, supports a stop-seconds function for precise time setting down to the second, has a power reserve of 35-45 hours, and is certified with the Patek Philippe Seal, ensuring reliable timekeeping.