The mesmerizing blue-black gradient dial of this 40mm steel Nautilus transforms under varying light conditions, creating an almost mystical depth that has made the 5712/1A-001 one of Patek Philippe's most coveted contemporary references. This particular configuration marries the iconic porthole aesthetics of Gérald Genta's original design with the sophisticated complication of moon phase indication, housed within a meticulously brushed and polished steel case that exemplifies the Nautilus collection's sporting elegance. The dial's horizontal embossed pattern catches light in subtle waves, while the moon phase aperture at 7 o'clock adds astronomical poetry to this mechanical marvel.

Key Features & Specifications

• Caliber 240 PS IRM C LU Movement — Ultra-thin automatic movement with moon phases, date, and power reserve indication, featuring Patek Philippe's micro-rotor system
• Distinctive Blue-Black Dial Gradient — Hand-finished dial with horizontal embossed pattern that shifts from deep blue to near-black depending on lighting conditions
• Integrated Steel Bracelet Construction — Seamlessly flowing bracelet links with alternating brushed and polished surfaces, secured by the signature Nautilus fold-over clasp
• Moon Phase Complication at 7 O'Clock — Precise lunar cycle display accurate to one day in 122 years, framed within a starry night sky backdrop
• Transparent Sapphire Case Back — Exhibition case back revealing the decorated movement with 22k gold micro-rotor and Geneva Seal finishing
• Rounded Octagonal Bezel Design — Genta's iconic porthole-inspired case architecture with eight precision-machined sides and integrated lugs
• Complete Presentation Set — Accompanied by original box, papers, and documentation for full provenance verification

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.