Patek Philippe Aquanaut Luce Collection 5261R-010

Design

Case: Crafted from 40.8mm 18K rose gold, featuring a signature “Grand Reef” textured bezel with satin-brushed finish and polished sides. Equipped with a screw-down crown, water-resistant to 120 meters. Case thickness of 10.8mm balances substantial feel with comfortable wear.

Dial: Deep ocean blue “Grand Reef” relief dial with 18K rose gold raised Arabic numerals (luminescent coating). Features a moon phase display at 12 o'clock, day indicator at 3 o'clock, month indicator at 9 o'clock, and date window at 6 o'clock. Clear functional layout with rich visual depth.

Strap: A matching blue high-grade synthetic strap with “Grand Reef” texture, secured by an 18K rose gold folding clasp. It conforms comfortably to the wrist while offering exceptional durability.

Movement and Functions

Powered by the Calibre 324 S QA LU 24H automatic mechanical movement, comprising 298 components. Operating at a frequency of 28,800 vibrations per hour (4 Hz), it offers a 45-hour power reserve and is certified by the Patek Philippe Seal.

Features include an annual calendar (automatically recognizing 30/31-day months), moon phase display, and date/day/month indications. The moon phase display maintains accuracy with an error of only one day in 122 years.

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