Curvex Precision, Ref: 280-330, 1936 — Gruen. An unusual gold plated manual wind curved rectangular wristwatch

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Estimate: £500–£700 hammer ≈ $689–$964
Result
Performance
Sale: Bonhams — Watches and Wristwatches, London, Knightsbridge · 7 September 2021
Record ID: TB-2026-647755
Record: first seen 21 Jul 2026 · updated 21 Jul 2026 · source ↗
Cite this record: TB-2026-647755 — https://thebasis.art/cite/TB-2026-647755

Gruen. An Unusual Gold Plated Manual Wind Curved Rectangular Wristwatch, Curvex Precision, Ref: 280-330, 1936. Bonhams, 7 Sep 2021, lot 57. bought in (did not sell). TheBasis.Art, TB-2026-647755.

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Gruen. An Unusual Gold Plated Manual Wind Curved Rectangular Wristwatch, Curvex Precision, Ref: 280-330, 1936. Bonhams, 7 Sep 2021, lot 57. bought in (did not sell). TheBasis.Art, TB-2026-647755.

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From the same sale Watches and Wristwatches · Sep 2021

Lot	Artist	Estimate	Result
Circa 1700	J. De Charmes, London. A Gilt Metal Key Wind Open Face Pocket Watch With Repeat And Alarm	£4,000–£6,000
Circa 1800	Charles Green. A Gold And Enamel Key Wind Open Face Pocket Watch	£1,200–£1,800
Circa 1780	Jean Marchand. A Continental Gold Key Wind Open Face Pocket Watch	£700–£900
Manufactured 1870, sold October 12th 1871	Patek Philippe. A Fine And Rare 18k Gold Keyless Wind Minute Repeating Half Hunter Pocket Watch	£12,000–£18,000	upcoming
Birmingham Hallmark for 1911	Waltham. A 9k Gold Keyless Wind Half Hunter Pocket Watch	£500–£700
Chester Hallmark for 1924	Waltham. A 9k Gold Keyless Wind Full Hunter Pocket Watch	£500–£700

Comparable results nearest sold works, same medium & price band

Artist	Lot	Result USD, incl. premium	Sale
Rolex. A 9k Gold Manual Wind Bracelet Watch	Ref: 13322, Birmingham Hallmark for 1947	$805	Bonhams, Nov 2023
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Dynamic, Ref: 166.0310, Circa 1990		Bonhams, Feb 2025
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Constellation 'Jumbo', Ref: 168.0063/368.0858, Circa 1975		Bonhams, Jul 2023
Rolex. A 9k Gold Manual Wind Bracelet Watch	Birmingham Hallmark for 1957		Bonhams, Nov 2022
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Conquest, Ref: 1529-1, Circa 1969		Bonhams, Mar 2025
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Sub 200 Coralline, Ref: 8009 4, Circa 1970		Bonhams, May 2022
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Dynamic, Circa 1970		Bonhams, Apr 2024
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Omega. Montre bracelet en acier avec date mouvement automati		Bonhams, Dec 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.