Birmingham Hallmark for 1961 — Omega. An 18K gold automatic calendar wristwatch

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Estimate: £1,200–£1,800 hammer ≈ $1,571–$2,356
Result
Performance
Sale: Bonhams — Watches and Wristwatches, London, Knightsbridge · 11 September 2024
Record ID: TB-2026-396297
Record: first seen 20 Jul 2026 · updated 20 Jul 2026 · source ↗
Cite this record: TB-2026-396297 — https://thebasis.art/cite/TB-2026-396297

Omega. An 18k Gold Automatic Calendar Wristwatch, Birmingham Hallmark for 1961. Bonhams, 11 Sep 2024, lot 59. bought in (did not sell). TheBasis.Art, TB-2026-396297.

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Omega. An 18k Gold Automatic Calendar Wristwatch, Birmingham Hallmark for 1961. Bonhams, 11 Sep 2024, lot 59. bought in (did not sell). TheBasis.Art, TB-2026-396297.

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From the same sale Watches and Wristwatches · Sep 2024

Lot	Artist	Estimate
Circa 1795	Grant, Fleet Street London. A Gold, Enamel And Seed Pearl Key Wind Pair Case Pocket Watch With Duplex Escapement	£3,500–£4,500
Circa 1900	International Watch Company. A 14k Gold Keyless Wind Full Hunter Pocket Watch	£1,000–£1,500
Circa 1950	Uti. An Unusual Gold And Gem Set Manual Wind Fob Watch	£2,500–£3,000
Circa 1934	Longines. A Stainless Steel Manual Wind Wristwatch	£1,500–£2,000
Transocean, Circa 1960	Breitling. An 18k Gold Automatic Wristwatch	£1,500–£2,000
Autavia, Ref: 1163, Circa 1970	Tag Heuer. A Stainless Steel Automatic Chronograph Calendar Wristwatch	£3,000–£4,000

Comparable results nearest sold works, same medium & price band

Artist	Lot	Result USD, incl. premium	Sale
Omega. An 18k Gold Automatic Calendar Wristwatch	Seamaster, Ref: 2627, Circa 1950	$2,074	Bonhams, Feb 2022
Omega. An 18k Gold Automatic Calendar Wristwatch	Constellation, Ref: 886, Birmingham Hallmark for 1961		Bonhams, Mar 2025
Omega. An 18k Gold Automatic Calendar Wristwatch	Constellation, Ref: 1680004/14, c.1960s		Bonhams, Jul 2021
Omega. An 18k Gold Automatic Calendar Wristwatch	Seamaster, Circa 1966		Bonhams, Nov 2021
Omega. An 18k Gold Automatic Calendar Wristwatch	Constellation, Ref:168.010/11, Movement No.24841890, Circa 1		Bonhams, Nov 2016
Omega. An 18k Gold Automatic Calendar Wristwatch	Prince Oysterdate, Ref: 7966, Circa 1962		Bonhams, Jul 2020
Omega. An 18k Gold Automatic Calendar Wristwatch	Datejust, Ref: 6824, Case No.7223736, Movement No.981119, Ci		Bonhams, Nov 2014
Omega. An 18k Gold Automatic Calendar Wristwatch	Case No.1625421, Movement No.34040158, London Import mark fo		Bonhams, Nov 2014

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.