Patek Philippe Nautilus Moon Phases 40mm Steel Black-Blue Dial

Ref: 5712/1A-001

Price available upon request

Since 1976, the Nautilus watch has embodied elegance in sports design with its octagonal bezel, innovative case structure, and textured dial. The self-winding mechanical movement (Caliber 240 PS IRM C LU) powers features like date by hand, moon phases, power reserve indicator, and small seconds. The stainless steel case with screw-down crown and sapphire crystal back offers water resistance up to 60m. Measuring 40mm in diameter (10–4 o’clock) and 8.52mm in height, it's complemented by a steel bracelet with a fold-over clasp. Includes a Westime warranty.

  • Case

    Stainless Steel

  • Diameter


  • Dial

    Black, Blue

  • Functions

    Date, Hours, Minutes, Moonphases, Power Reserve, Small Seconds

  • Movement


  • Bracelet/Strap

    Bracelet, Stainless Steel

  • Water Resistance

    60m (6 ATM)

  • Box


  • Warranty


  • Papers


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Brand Heritage

The finest mechanical watches are built to last generations. Westime now presents our curated selection of special pre-owned timepieces, available for sale at our California and Florida boutiques. Tested by Westime’s watchmakers, and covered under Westime’s one-year limited warranty, the Certified Pre-Owned watch selection represents an opportunity to purchase that sold-out limited edition, your first watch from a hard-to-find brand, or simply a fine timepiece at a great value—with the assurance of Westime and its 30-year history as a family-owned business standing behind it.