Patek Philippe Nautilus Annual Calendar Moon Phases - 40.5 mm - Steel - Blue Dial - 5726/1A-014Among the most coveted complications in Patek Philippe's stainless steel Nautilus lineup, the 5726 1A 014 combines the collection's signature blue dial with the practical elegance of an annual calendar and moon phase display. This 40. 5mm steel reference represents the pinnacle of Gerald Genta's sports watch design philosophy, elevated by one of horology's most sophisticated calendar mechanisms. The model commands exceptional attention in today's

8mm case diameter in solid rose gold with matching bezel treatment and screw-down crown system

This particular configuration pairs the deep azure sunburst finish with white gold hour indices and Dauphine hands

delivered in a case size that bridges vintage sensibilities with contemporary wrist presence

5mm Yellow Gold Case — Refined proportions in 18k yellow gold with polished surfaces and integrated lugs designed specifically for this complication

Integrated White Gold Bracelet — Seamless five-link construction with alternating brushed and polished surfaces

Among Patek Philippe's most recognizable contemporary designs

The golden brown opaline dial treatment creates a warm

Superlative Chronometer Certification — Exceeds COSC standards with accuracy of -2/+2 seconds per day

The substantial 40mm rectangular rose gold case of this Patek Philippe Twenty~4 4910R-001 commands attention through its diamond-set bezel and completely pavé diamond dial

paved with diamonds and rubies

Blue-Gray Sunray Dial — Sophisticated color gradation from deep blue center to lighter gray periphery

preserving the Nautilus collection's original sporting DNA beneath the jewelry complications