Patek Philippe Ref. 5550 "Advance Research" Perpetual Calendar

Patek Philippe Ref. 5550 "Advance Research" Perpetual Calendar

Brand: Nicolas.Mauboussin
In stock View at Merchant

This 37mm platinum watch features Patek Philippe's Advance Research movement with a GyromaxSi balance wheel and a silver dial with gold hands and markers. It includes a brown alligator strap and a perpetual calendar visible through a sapphire caseback.

  • The watch is one of only 300 ever made.
  • The GyromaxSi balance wheel is crafted from Silinvar, a proprietary silicon-based material.
Variants (1)
  • Default Title — 0.00 EUR — In stock

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