Monza Black, Ref: 150.501, Circa 1977 — Heuer. A black PVD coated stainless steel automatic calendar chronograph wristwatch

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Estimate: £3,000–£5,000 hammer ≈ $3,710–$6,183
Result
Performance
Sale: Bonhams — Fine Watches including an exceptional collection of Heuers from a Gentleman of Motorsports, London, New Bond Street · 14 December 2022
Record ID: TB-2026-542594
Record: first seen 21 Jul 2026 · updated 22 Jul 2026 · source ↗
Cite this record: TB-2026-542594 — https://thebasis.art/cite/TB-2026-542594

Heuer. A Black Pvd Coated Stainless Steel Automatic Calendar Chronograph Wristwatch, Monza Black, Ref: 150.501, Circa 1977. Bonhams, 14 Dec 2022, lot 56. result recorded. TheBasis.Art, TB-2026-542594.

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Heuer. A Black Pvd Coated Stainless Steel Automatic Calendar Chronograph Wristwatch, Monza Black, Ref: 150.501, Circa 1977. Bonhams, 14 Dec 2022, lot 56. result recorded. TheBasis.Art, TB-2026-542594.

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From the same sale Fine Watches including an exceptional collection of Heuers from a Gentleman of Motorsports · Dec 2022

Lot	Artist	Estimate
Overseas, Ref: 2000V/120G-B122, Purchased 5th December 2016	Vacheron Constantin. A Fine And Rare 18k White Gold Automatic Bracelet Watch	—
World Time, Ref: 5131G-001, 8th March 2010	Patek Philippe. A Fine And Rare 18k Rose Gold Automatic Wristwatch With World Time Indication And Polychrome Closionné Enamel Dial	£60,000–£80,000
Submariner, Ref: 1680, Circa 1979	Omega. A Stainless Steel Automatic Calendar Bracelet Watch	£12,000–£18,000
Autavia Argentina Military, Ref: 7763MH, Circa 1969	Heuer. A Fine Stainless Steel Manual Wind Chronograph Wristwatch Issued To The Argentinean Air Force	£6,000–£8,000
Autavia, Ref: 2446 C, Circa 1971	Heuer. A Stainless Steel Manual Wind Calendar Chronograph Wristwatch	£7,000–£9,000
Autavia 'Big Sub', Ref: 2446M, Circa 1962	Heuer. A Stainless Steel Manual Wind Calendar Chronograph Wristwatch	£50,000–£80,000

Comparable results nearest sold works, same medium & price band

Artist	Lot	Result USD, incl. premium	Sale
Heuer. A Black Pvd Coated Stainless Steel Automatic Calendar Chronograph Wristwatch	Montreal, Ref: 110.501N, Circa 1976	$4,730	Bonhams, Dec 2022
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Datejust, Ref: 16200, Purchased 5th November 2001		Bonhams, May 2025
Heuer. A Stainless Steel Manual Wind Calendar Chronograph Wristwatch	Sherpa Graph 300 'Jim Clark', Ref: 072-02-01, Circa 1960		Bonhams, Feb 2022
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Datejust, Ref: 16220, c. 1996		Bonhams, Dec 2025
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Submariner, Ref: 1680, Circa 1978		Bonhams, Nov 2023
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Calculator, Circa 1977		Bonhams, Sep 2021
Rolex. A Stainless Steel Automatic Calendar Bracelet Watch With Dual Time Zone	Autavia 'GMT', Ref: 11630, Purchased 21st November 1975		Bonhams, Feb 2024
Heuer. A Black Pvd Coated Stainless Steel Automatic Calendar Chronograph Wristwatch	Grand Carrera RS2, Ref: CAV518B, Sold 6th February 2009		Bonhams, Feb 2018

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.