Ingenieur Mission Earth Plastiki, 1 out of 1000, Ref: IW323608, Circa 2010 — IWC. A limited edition stainless steel automatic calendar wristwatch

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Estimate: £4,000–£6,000 hammer ≈ $4,945–$7,418
Result
Performance
Sale: Bonhams — Watches and Wristwatches, London, Knightsbridge · 10 September 2019
Record ID: TB-2026-750819
Record: first seen 22 Jul 2026 · updated 22 Jul 2026 · source ↗
Cite this record: TB-2026-750819 — https://thebasis.art/cite/TB-2026-750819

Glycine. A Limited Edition Stainless Steel Automatic Calendar Wristwatch, Ingenieur Mission Earth Plastiki, 1 out of 1000, Ref: IW323608, Circa 2010. Bonhams, 10 Sep 2019, lot 203. result recorded. TheBasis.Art, TB-2026-750819.

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Glycine. A Limited Edition Stainless Steel Automatic Calendar Wristwatch, Ingenieur Mission Earth Plastiki, 1 out of 1000, Ref: IW323608, Circa 2010. Bonhams, 10 Sep 2019, lot 203. result recorded. TheBasis.Art, TB-2026-750819.

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From the same sale Watches and Wristwatches · Sep 2019

Lot	Artist	Estimate	Result
London Hallmark for 1816	Barrauds, Cornhill, London: A Silver Key Wind Full Hunter Pocket Watch With Duplex Escapement	£500–£700
French Hallmarks, Circa 1914	Cartier. An Extremely Thin 18k Gold Keyless Wind Full Hunter Pocket Watch	£2,500–£3,500
Circa 1990	A White Metal Masonic Manual Wind Triangular Pocket Watch	£500–£700
Oyster, Ref: 3009, Glasgow Import mark for 1937	Rolex. A 9k Gold Manual Wind Chronometer Wristwatch	£2,500–£3,500	upcoming
Circa 1915	Longines. An Early And Rare Silver Manual Wind Single Button Chronograph Wristwatch	£2,000–£3,000
Circa 1908	Longines: A Silver Manual Wind Converted Wristwatch For The Russian Air Force	£600–£800

Comparable results nearest sold works, same medium & price band

Artist	Lot	Result USD, incl. premium	Sale
Glycine. A Limited Edition Stainless Steel Automatic Calendar Wristwatch	Ingenieur Mission Earth Plastiki, Ref: 3236, No.0100/1000, C	$6,272	Bonhams, Feb 2020
Glycine. A Limited Edition Stainless Steel Automatic Calendar Wristwatch	Ingenieur Mission Earth Plastiki, Ref: 3236, No.0002/1000, C		Bonhams, Nov 2024
Rolex. A Lady's Stainless Steel And Gold Automatic Calendar Bracelet Watch	Datejust, Ref: 79173, Circa 2003		Bonhams, Feb 2023
Rolex. A Lady's Stainless Steel And Gold Automatic Calendar Bracelet Watch	Datejust, Ref: 16233, Purchased 30th October, 1990		Bonhams, May 2024
Rolex. A Stainless Steel Automatic Bracelet Watch	Air-King 40, Ref: 116900, Purchased 6th February 2017		Bonhams, Sep 2024
Rolex. A Stainless Steel Automatic Bracelet Watch	Oyster Perpetual, Ref: 6350/6352, Circa 1954		Bonhams, Nov 2022
Rolex. A Lady's Stainless Steel And Gold Automatic Calendar Bracelet Watch	Datejust, Ref: 16233, Purchased 28th May, 1996		Bonhams, Dec 2025
A 9k Gold Keyless Wind Open Face Pocket Watch	Chester Hallmark for 1870		Bonhams, Nov 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.