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Lot 2302 · Important Watches

Ingenieur Perpetual Calendar, Reference 3540 | A yellow gold and diamond-set perpetual calendar bracelet watch with moon phases and digital year display, Circa 1990

Iwc Schaffhausen

Catalog image of Ingenieur Perpetual Calendar, Reference 3540 | A yellow gold and diamond-set pe…
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Estimate
HK$150,000–HK$250,000 hammer ≈ $19,145–$31,908
Result
Performance
Sale
Sotheby's — Important Watches · 24 April 2026
Record ID
TB-2026-5369883
Record
first seen 28 Jul 2026 · updated 6 Sep 2026 · source ↗
Cite this record
TB-2026-5369883 — https://thebasis.art/cite/TB-2026-5369883

Iwc Schaffhausen, Ingenieur Perpetual Calendar, Reference 3540 | A yellow gold and diamond-set perpetual calendar bracelet watch with moon phases and digital year display, Circa 1990. Sotheby's, 24 Apr 2026, lot 2302. result recorded. TheBasis.Art, TB-2026-5369883.

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Iwc Schaffhausen, Ingenieur Perpetual Calendar, Reference 3540 | A yellow gold and diamond-set perpetual calendar bracelet watch with moon phases and digital year display, Circa 1990. Sotheby's, 24 Apr 2026, lot 2302. result recorded. TheBasis.Art, TB-2026-5369883.

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From the same sale Important Watches · Apr 2026

LotArtistEstimateResult
A slim yellow gold open-faced keyless lever dress watch, Circa 1913 Cartier New York HK$32,000–HK$48,000
New York retailed | A yellow gold square wristwatch with part-hooded … Vacheron Constantin For Cartier HK$55,000–HK$95,000
An extremely rare and slim yellow gold openface keyless lever watch w… Cartier Paris HK$80,000–HK$120,000
London retailed | A rare and unusual onyx, white gold, silver and ena… Cartier Paris HK$40,000–HK$60,000
An onyx, yellow gold and enamel 8-day desk clock, Circa 1919 Cartier Paris HK$48,000–HK$70,000
New York retailed | A very fine and slim platinum openface dress watc… Cartier Paris HK$70,000–HK$110,000

Comparable results nearest sold works, same medium & price band

ArtistLotvs. estimateResult USD, incl. premiumSale
Iwc Schaffhausen Portugieser Perpetual Calendar, Reference IW503302 | A pink $22,931 Sotheby's, May 2026
Iwc Schaffhausen Portugieser, Reference 325 | A stainless steel wristwatch | Sotheby's, May 2026
Iwc Schaffhausen Big Pilot Perpetual Calendar, Reference 5026 | A limited edi Sotheby's, May 2026
Iwc Schaffhausen da vinci rattrapante, reference iw375402 a yellow gold perpe Sotheby's, Oct 2019
Cartier Bague diamants Sotheby's, Sep 2025
Iwc Schaffhausen portuguese, reference iw504210 a pink gold tourbillon wistwa Sotheby's, Oct 2019
Cartier Diamond and onyx bracelet, 'Maillon Panthère' Sotheby's, Nov 2023
Cartier Moonstone and Diamond Bracelet | 卡地亞 | 月光石 配 鑽石 手鏈 Sotheby's, Apr 2025

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.

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