Ocean Biretrograde, Ref: OCEABI36-2, Purchased 23rd September 2016 — Harry Winston. An 18K rose gold and diamond set automatic calendar bracelet watch with mother of pearl dial

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Estimate: £20,000–£30,000 hammer ≈ $26,279–$39,419
Result
Performance
Sale: Bonhams — Fine Watches, London, New Bond Street · 11 December 2020
Record ID: TB-2026-710436
Record: first seen 21 Jul 2026 · updated 22 Jul 2026 · source ↗
Cite this record: TB-2026-710436 — https://thebasis.art/cite/TB-2026-710436

Harry Winston. An 18k Rose Gold And Diamond Set Automatic Calendar Bracelet Watch With Mother Of Pearl Dial, Ocean Biretrograde, Ref: OCEABI36-2, Purchased 23rd September 2016. Bonhams, 11 Dec 2020, lot 23. bought in (did not sell). TheBasis.Art, TB-2026-710436.

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Harry Winston. An 18k Rose Gold And Diamond Set Automatic Calendar Bracelet Watch With Mother Of Pearl Dial, Ocean Biretrograde, Ref: OCEABI36-2, Purchased 23rd September 2016. Bonhams, 11 Dec 2020, lot 23. bought in (did not sell). TheBasis.Art, TB-2026-710436.

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From the same sale Fine Watches · Dec 2020

Lot	Artist	Estimate
Cosmograph Daytona, Ref: 116519, Circa 2008	Rolex. A Fine 18k White Gold Automatic Chronograph Wristwatch	£12,000–£18,000
Submariner, Ref: 5508, Circa 1962	Rolex. A Stainless Steel Automatic Bracelet Watch With Gilt Gloss Dial	£15,000–£25,000
Double Red Sea Dweller, Ref: 1665, Circa 1972	Omega. A Stainless Steel Automatic Calendar Bracelet Watch	£25,000–£35,000
Cosmograph Daytona, Ref: 116500LN, Purchased 5th December 2016	Rolex. A Stainless Steel Automatic Chronograph Bracelet Watch	£12,500–£18,500
Cosmograph Daytona, Ref: 6239, Circa 1970	Rolex. A Stainless Steel Manual Wind Chronograph Bracelet Watch With Red Daytona	£35,000–£45,000
Conquistador King, Ref: 10000 K CC NR, Limited Edition No.08/12, Purc…	Franck Muller. A Limited Edition Black Dlc Coated Stainless Steel Automatic Calendar Chronograph Wristwatch To Be Sold In Aid Of Charity	£6,000–£8,000

Comparable results nearest sold works, same medium & price band

Artist	Lot	Result USD, incl. premium	Sale
Harry Winston. An 18k Rose Gold And Diamond Set Automatic Calendar Bracelet Watch With Mother Of Pearl Dial	Ocean Biretrograde, Ref: OCEABI36-2, Purchased 23rd Septembe	$23,214	Bonhams, Feb 2021
Patek Philippe. A Fine Stainless Steel Automatic Calendar Wristwatch	Aquanaut, Ref: 5065A, c. 2000s		Bonhams, Oct 2024
Rolex. A Fine 18k White Gold Automatic Calendar Bracelet Watch	Submariner, Ref: 16618, Purchased 18th March, 2003		Bonhams, Jun 2025
Patek Philippe. A Fine Stainless Steel Automatic Calendar Wristwatch	Aquanaut, Ref: 5065A-001, Purchased 13th December 2004		Bonhams, Jun 2023
Rolex. A Fine 18k White Gold Automatic Calendar Bracelet Watch	Submariner Smurf, Ref: 116619LB, Circa 2015		Bonhams, Dec 2021
Patek Philippe. A Fine Stainless Steel Automatic Calendar Wristwatch	Aquanaut, Ref: 5060A-001, Circa 1997		Bonhams, Jun 2021
Patek Philippe. A Fine Stainless Steel Automatic Calendar Wristwatch	Aquanaut, Ref: 5066A-001, Purchased 13th March 2007		Bonhams, Feb 2021
Patek Philippe. An 18k Gold Manual Wind Wristwatch	Purchased 31st October, 1935		Bonhams, Oct 2024

The closest sold results by price, artist, and medium — the appraiser's comp set, generated from the corpus. All figures converted to USD at current reference rates.