Fliegeruhr Mark XVII, Ref: IW326501, Purchased 20th December 2015 — IWC. A stainless steel automatic calendar wristwatch

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Estimate: £1,500–£2,000 hammer ≈ $2,066–$2,754
Result
Performance
Sale: Bonhams — Watches and Wristwatches, London, Knightsbridge · 7 September 2021
Record ID: TB-2026-647872
Record: first seen 21 Jul 2026 · updated 21 Jul 2026 · source ↗
Cite this record: TB-2026-647872 — https://thebasis.art/cite/TB-2026-647872

Heuer. A Stainless Steel Automatic Calendar Wristwatch, Fliegeruhr Mark XVII, Ref: IW326501, Purchased 20th December 2015. Bonhams, 7 Sep 2021, lot 172. result recorded. TheBasis.Art, TB-2026-647872.

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Heuer. A Stainless Steel Automatic Calendar Wristwatch, Fliegeruhr Mark XVII, Ref: IW326501, Purchased 20th December 2015. Bonhams, 7 Sep 2021, lot 172. result recorded. TheBasis.Art, TB-2026-647872.

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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
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Monaco, Ref: WW2110-0, Purchased 16th December 2014	$2,854	Bonhams, Sep 2024
Heuer. A Stainless Steel Automatic Calendar Wristwatch	L.U.C Sport, Ref: 8200, Circa 2000		Bonhams, May 2023
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Mark XII Fliegeruhr, Ref: 3241, c.1995		Bonhams, Jun 2023
Heuer. A Stainless Steel Automatic Calendar Wristwatch	6105-8110 'Captain Willard', Circa 1974		Bonhams, Sep 2021
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Cartier. Montre bracelet en acier avec date mouvement automa		Bonhams, Jun 2026
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Fliegeruhr, Ref: IW3256-01, Purchased 26th December 2007		Bonhams, Oct 2025
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Datejust, Ref: 1601, Circa 1951		Bonhams, Jul 2023
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Rolex. Montre bracelet en acier avec date mouvement automati		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.