Against the wrist, the 40.5mm steel case of this Patek Philippe Nautilus 5726/1A-010 delivers the substantial presence that defines Gerald Genta's porthole-inspired design, while the white dial creates a crisp contrast against the brushed and polished steel surfaces. This annual calendar iteration transforms the iconic sports watch blueprint into a sophisticated complications piece, housing moon phase and date functions within the familiar octagonal bezel framework. The steel bracelet's graduated links flow seamlessly from the integrated lugs, creating an unbroken metallic continuum that exemplifies Patek Philippe's manufacturing prowess from the 2010-2020 production era.

Key Features & Specifications

• Annual Calendar Complication — Displays date, day, month, and moon phases with automatic adjustment for months with 30 and 31 days, requiring manual correction only once per year in February
• White Lacquered Dial — Features applied luminous hour markers with the characteristic Nautilus horizontal embossed pattern, creating subtle texture variations under changing light conditions
• Caliber 324 S QA LU 24H/303 — Self-winding movement with 45-hour power reserve, incorporating the annual calendar module and 24-hour subdial at 6 o'clock position
• Integrated Steel Bracelet — Brushed center links with polished outer edges, secured by fold-over deployment clasp with Patek Philippe logo engraving
• Stainless Steel Construction — 40.5mm case with alternating brushed and polished surfaces, featuring the signature Nautilus porthole-inspired bezel with rounded octagonal geometry
• Moon Phase Display — Positioned at 7 o'clock with blue disc showing lunar cycle progression, accurate to one day every 122 years
• Transparent Case Back — Sapphire crystal revealing the decorated automatic movement with Geneva Seal finishing and 21K gold central rotor

About This Timepiece

• Bracelet Sizing — Complimentary bracelet sizing included with every purchase. Contact us with your wrist measurement and we'll have it ready before shipping.
• Authenticity Guarantee — Every watch is thoroughly inspected and authenticated by our team of certified horologists. 100% authentic, guaranteed.
• Warranty — New model watches include a 1-year mechanical warranty covering manufacturing defects. All watches include our confidence guarantee.
• Shipping — Free insured overnight FedEx shipping on all orders. Fully insured, signature required, discreet packaging.

Contact Us

Questions about this timepiece? Our specialists are available to help.
Phone/Text: (310) 363-0481
Email: chris@chronocandy.com

Chrono Candy is an independent luxury watch dealer and is not affiliated with Rolex S.A., Rolex USA, Patek Philippe, Audemars Piguet, Cartier, Omega, Tudor, or any brands listed.