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Hong Kong
Valuation Days
United States of America
January 23th – February 1st, 2026
To Schedule an appointment
Tel. +1 728 207 5550
miami@antiquorum.swiss
Italy
February 11th, 2026
To schedule an appointment
Tel. +39 02 87 66 25 or +39 34 58 08 20 54
milan@antiquorum.swiss
Spain
January 28th, 2026
Joyeria Grassy, Gran Vía nº 1
28013 Madrid
To schedule an appointment
Tel. +41 22 909 28 50
Email: silvina.bellini@grassy.es
Japan
Geneva Auction Preview
Geneva, 9-10th May 2026 – Top Lot Highlights
Urban Jürgensen
Lot 263
Ref. 11C, Unique Prototype N°10, Stainless Steel
Estimate: CHF 35,000 – 55,000
Patek Philippe
Lot 284
Ref. 5711/1300A-001, Nautilus Green Dial, Stainless Steel
Estimate: CHF 300,000 – 450,000
Patek Philippe
Lot 285
Ref. 3700/13, “Jumbo” Nautilus, Probably Unique, only one known Pink Gold Dial, 18K yellow Gold
Estimate: CHF 1,000,000 – 2,500,000
Jaquet Droz
Lot 440
Possibly Unique signed Coach Watch, made for the Chinese market, Colored Stones and enamel
Estimate: CHF 100,000 – 200,000
Latest Auction Results
Monaco | December 12th, 2025
Important Modern & Vintage Timepieces
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Sale Totaled : HKD 64,4 Million
Important Modern & Vintage Timepieces
Geneva | November 8-9th, 2025
Sale Totaled : CHF 7.1 Million
Important Modern & Vintage Timepieces
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