Long Island Master Banker, Ref: 1200MB, Circa 2000 — Franck Muller. An 18K gold automatic calendar wristwatch with triple time zone

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Estimate: £5,000–£7,000 hammer ≈ $6,886–$9,641
Result
Performance
Sale: Bonhams — Watches and Wristwatches, London, Knightsbridge · 7 September 2021
Record ID: TB-2026-647884
Record: first seen 21 Jul 2026 · updated 21 Jul 2026 · source ↗
Cite this record: TB-2026-647884 — https://thebasis.art/cite/TB-2026-647884

Franck Muller. An 18k Gold Automatic Calendar Wristwatch With Triple Time Zone, Long Island Master Banker, Ref: 1200MB, Circa 2000. Bonhams, 7 Sep 2021, lot 184. bought in (did not sell). TheBasis.Art, TB-2026-647884.

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Franck Muller. An 18k Gold Automatic Calendar Wristwatch With Triple Time Zone, Long Island Master Banker, Ref: 1200MB, Circa 2000. Bonhams, 7 Sep 2021, lot 184. bought in (did not sell). TheBasis.Art, TB-2026-647884.

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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
Franck Muller. An 18k Gold Automatic Calendar Wristwatch With Triple Time Zone	Master Banker, Ref: 6850 MB, c. 2000s	$7,040	Bonhams, Feb 2025
Franck Muller. An 18k Gold Automatic Calendar Wristwatch With Triple Time Zone	Master Banker, Ref: 5850 MB , c. 2000s		Bonhams, Apr 2025
Franck Muller. An 18k Gold Automatic Calendar Wristwatch With Triple Time Zone	Master Banker, Ref: 8880 MB SC DT IND, c. 2010s		Bonhams, Apr 2025
Patek Philippe. An 18k Gold Manual Wind Wristwatch	Gondolo, Ref: 5010, Circa 2005		Bonhams, Feb 2024
Rolex. A Lady's Stainless Steel And Gold Automatic Calendar Bracelet Watch	Datejust, Ref: 179173, Purchased 21st July 2006		Bonhams, Jun 2023
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Rolex. Importante montre bracelet en acier avec date mouveme		Bonhams, Feb 2025
Franck Muller. An 18k Gold Automatic Calendar Wristwatch With Triple Time Zone	Master Banker, Ref: 5850, Purchased 10th February, 2006		Bonhams, Jun 2025
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Submariner, Ref: 1680, Circa 1977		Bonhams, Dec 2022

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.