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Bonhams London Fine Watches Sale Features Rare Patek Philippe Advanced Research Timepiece

market-auction · 2026-04-20

On December 11, 2025, Bonhams will host its London Fine Watches auction, showcasing 54 carefully curated exceptional timepieces. This auction highlights outstanding watchmaking craftsmanship and gem-setting expertise, featuring renowned brands like Rolex, Patek Philippe, Cartier, Piaget, A. Lange & Söhne, Breguet, and IWC. A standout piece is the limited-edition Patek Philippe Aquanaut Travel Time Advanced Research wristwatch, reference 5650G-001, made around 2017 with only 500 pieces produced. Crafted from 18K white gold, it features a blue gradient dial and is driven by the innovative 29-jewel Caliber 324 S C FUS movement, equipped with a Spiromax® balance spring made from Patek Philippe’s unique Silinvar®. This model perfectly blends sporty elegance with cutting-edge technology.

Key facts

  • Bonhams London Fine Watches sale occurs on December 11, 2025
  • The sale features 54 curated lots of rare timepieces
  • Brands include Rolex, Patek Philippe, Cartier, Piaget, A. Lange & Söhne, Breguet, and IWC
  • Highlight is Patek Philippe Aquanaut Travel Time Advanced Research reference 5650G-001 from circa 2017
  • Only 500 pieces of this Patek Philippe model were produced
  • Watch is crafted in 18K white gold with blue gradient dial
  • Contains Caliber 324 S C FUS movement with 29 jewels
  • Features Spiromax® balance spring made from Silinvar® material

Entities

Institutions

  • Bonhams

Locations

  • London
  • United Kingdom

Sources