Seamaster , Ref: ST 166.093, Circa 1975 — Omega. An extremely rare stainless steel automatic calendar bracelet watch

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Estimate: £15,000–£20,000 hammer ≈ $18,124–$24,166
Result
Performance
Sale: Bonhams — Fine Watches, London, New Bond Street · 15 June 2022
Record ID: TB-2026-543145
Record: first seen 21 Jul 2026 · updated 21 Jul 2026 · source ↗
Cite this record: TB-2026-543145 — https://thebasis.art/cite/TB-2026-543145

Omega. An Extremely Rare Stainless Steel Automatic Calendar Bracelet Watch, Seamaster , Ref: ST 166.093, Circa 1975. Bonhams, 15 Jun 2022, lot 14. bought in (did not sell). TheBasis.Art, TB-2026-543145.

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Omega. An Extremely Rare Stainless Steel Automatic Calendar Bracelet Watch, Seamaster , Ref: ST 166.093, Circa 1975. Bonhams, 15 Jun 2022, lot 14. bought in (did not sell). TheBasis.Art, TB-2026-543145.

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From the same sale Fine Watches · Jun 2022

Lot	Artist	Estimate	Result
Autavia, Ref: 2446, Circa 1962	Heuer. A Stainless Steel Manual Wind Calendar Chronograph Wristwatch	£25,000–£35,000
Speedmaster 'Ultraman', Ref: ST 145.012, Produced 16th May 1968	Omega. A Rare And Unusual Stainless Steel Manual Wind Chronograph Bracelet Watch Offered On Behalf Of The Original Owner	£20,000–£30,000
Ref: 1543, Circa 1945	Patek Philippe. An 18k Gold Manual Wind Wristwatch	£25,000–£35,000
Datejust Pearlmaster, Ref: 80318, Purchased December 2000	Rolex. A Lady's Three Colour 18k Gold Diamond Set Automatic Calendar Bracelet Watch	£10,000–£15,000
Tortue, Circa 1915	Cartier. A Lady's Rare And Early Platinum And Gold Manual Wind Wristwatch	£8,000–£12,000
Single Red Submariner, Ref: 1680, Circa 1972	Omega. A Stainless Steel Automatic Calendar Bracelet Watch	£12,000–£18,000	upcoming

Comparable results nearest sold works, same medium & price band

Artist	Lot	Result USD, incl. premium	Sale
Rolex. A Stainless Steel Automatic Calendar Bracelet Watch With Dual Time Zone	Explorer II, Ref: 1655, Purchased 24th December 1978	$24,435	Bonhams, Jun 2023
Rolex. A Stainless Steel Automatic Calendar Bracelet Watch With Dual Time Zone	GMT-Master II 'Batman', Ref: 116710BLNR, Purchased 24th June		Bonhams, Dec 2021
Omega. A Rare Stainless Steel Manual Wind Chronograph Wristwatch	Oyster Monoblocco, Ref: 4500, Circa 1946		Bonhams, Feb 2022
Rolex. A Stainless Steel Automatic Calendar Bracelet Watch With Dual Time Zone	Rolex. Belle montre bracelet en acier avec date et 2nd fusea		Bonhams, Jan 2026
Rolex. A Stainless Steel Automatic Calendar Bracelet Watch With Dual Time Zone	Explorer II "Steve McQueen/Freccione", Ref: 1655, Circa 1978		Bonhams, Jun 2026
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Single Red Submariner, Ref: 1680, Circa 1971		Bonhams, Jun 2022
Omega. A Rare Stainless Steel Manual Wind Chronograph Wristwatch	Anti-Magnetic Chronograph, Ref: 2508, c. 1937		Bonhams, Apr 2026
Rolex. A Stainless Steel Automatic Calendar Bracelet Watch With Dual Time Zone	GMT-Master 'Pepsi', Ref: 1675, Circa 1978		Bonhams, Apr 2023

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.