Patek Philippe Nautilus Moon Phase 5712

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Patek Philippe Nautilus 5712/1
© Patek Philippe

The Nautilus Ref. 5712 (and similar 5722 and 5724) is a sports watch by Patek Philippe, introduced in 2006 to replace the single-year Nautilus 3712.

This is the Moon Phase Nautilus model from the second generation of the Nautilus family.


This legendary sports watch by Patek Philippe, designed by the famous watches designer Gérald Genta, in 1976 excited by its combination of luxury and stainless steel. Its design is inspired by the shape of ship portholes. The case is quite large but the thin case and integrated bracelet makes it wear smaller. Although known mainly as a steel watch, the Nautilus was also available in steel and gold, 18K yellow and white gold, as well as platinum.

Patek measures the case at 40 mm (from 10:00 to 4:00) but others refer to it as 43 mm (as measured across the dial, from 9:00 to 3:00). Unlike the original Nautilus, with its straight hinge, the new Nautilus family is convex at the hinge and crown, matching the bezel. The new Nautilus case is also composed of three main components rather than two: The solid, monobloc back is gone, with a sapphire crystal allowing the movement to be viewed, as on the short-lived 3711 and 3712. The side-mounted bezel screws remain, though they now form a "sandwich" with the case back rather than attaching to it directly.

The entire Nautilus family was replaced by Patek Philippe, with four new models introduced at a Geneva party held in November of 2006 to celebrate the 30th anniversary of the model. Launched that day were the simple 5711/1A, the mid-sized 5800, the 5712 Moon Phase, and the first-ever Nautilus chronograph, Ref. 5960. New to the collection are pink gold models and the introduction of optional leather straps rather than the traditional integrated bracelet.

This Ref. 5712 took over for the Ref. 5712 which had been introduced only the year before. The Nautilus remains available in steel, with steel-and-gold and all-gold models also available. The Nautilus 5712 uses Patek Philippe's in-house micro-rotor automatic Calibre 240 PS IRM C LU.


5712/1A stainless steel, gold, platinum


Self-winding movement Cal. 240 PS IRM C LU, 21,600 A/h


Stainless steel, gold, platinum
Bezel fixed, polished
Screw-in crown, monobloc back
Waterproof to 120 m


Black, blue, white


Hours, minutes
Subdial seconds at 4:00
Subdial with moon phase and date pointer at 7:00
Power reserve indicator at 10:30


Integrated stainless steel bracelet with folding clasp

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