Customer‑ordered Patek Philippe PP5261R Aquanaut “Smiley” ✈️

• CNC original‑data developed 18K solid gold case and clasp
• Top‑tier aftermarket dial, hands, moon phase, and strap developed from original data
• Powered by a custom‑molded 26‑330S movement – fully functional calendar: day, date, month, and moon phase

This is a customer‑commissioned custom Patek Philippe 5261R, a model from the Aquanaut Luce collection (often called “hand grenade” due to its rounded octagonal shape). The “Smiley” nickname likely refers to a special dial design (maybe a smiley face or a playful aesthetic). The case and clasp are CNC‑machined 18K solid gold using original factory data – authentic weight, hallmarks, and finish. The dial, hands, moon phase disc, and strap are top‑tier aftermarket parts developed from original data, accurately replicating the original’s colors and details. The movement is a custom‑molded 26‑330S caliber – a base that replicates the functions of Patek’s 26‑330 S C (used in the 5261R), which includes full calendar: day, date, month, and moon phase. This is a significant complication often found in Patek’s annual calendars or full calendars.

For collectors who want a playful, rare Aquanaut with a smiley face (or a unique dial) and full calendar functions, this build delivers both uniqueness and high‑end craftsmanship. The solid gold case adds weight and prestige, while the custom movement ensures all the useful complications work reliably. A fun, yet serious piece for a discerning buyer.