Datora, Ref: 804, Circa 1950 — Breitling. A stainless steel manual wind chronograph triple calendar wristwatch

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Estimate: £1,500–£2,000 hammer ≈ $2,022–$2,696
Result
Performance
Sale: Bonhams — Weekly: Watches, Online, London, Knightsbridge · 23 May 2025
Record ID: TB-2026-176750
Record: first seen 20 Jul 2026 · updated 20 Jul 2026 · source ↗
Cite this record: TB-2026-176750 — https://thebasis.art/cite/TB-2026-176750

Butex. A Stainless Steel Manual Wind Triple Calendar Chronograph Wristwatch, Datora, Ref: 804, Circa 1950. Bonhams, 23 May 2025, lot 14. result recorded. TheBasis.Art, TB-2026-176750.

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Butex. A Stainless Steel Manual Wind Triple Calendar Chronograph Wristwatch, Datora, Ref: 804, Circa 1950. Bonhams, 23 May 2025, lot 14. result recorded. TheBasis.Art, TB-2026-176750.

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From the same sale Weekly: Watches · May 2025

Lot	Artist	Estimate
Aquastar 63, Circa 1965	Aquastar. A Gold Plated Automatic Calendar Wristwatch	£700–£900
Pulchra, Ref: 674 8050 49, Circa 1995	Bertolucci. A Stainless Steel And Gold Automatic Chronograph Calendar Wristwatch	£1,000–£1,500
Datora, Ref: 34, Circa 1973	Breitling. A Black Pvd Coated Stainless Steel Manual Wind Calendar Chronograph Bracelet Watch	£1,200–£1,800
Ref: B13352, Purchased 31st March 2004	Breitling. A Stainless Steel And Gold Automatic Chronograph Calendar Bracelet Watch	£1,000–£1,500
'Long Playing', Ref: 7104, Circa 1973	Butex. A Stainless Steel Manual Wind Triple Calendar Chronograph Wristwatch	£2,000–£3,000
Chronomat, Ref: B13356, Purchased 1st February 2006	Breitling. A Stainless Steel And Gold Automatic Calendar Chronograph Wristwatch With Mother Of Pearl Dial	£2,000–£3,000

Comparable results nearest sold works, same medium & price band

Artist	Lot	Result USD, incl. premium	Sale
Butex. A Stainless Steel Manual Wind Triple Calendar Chronograph Wristwatch	Datora, Ref: 2031, Purchased 28th February 1976	$2,991	Bonhams, Feb 2020
Butex. A Stainless Steel Manual Wind Triple Calendar Chronograph Wristwatch	'Long Playing', Ref: 7104, Circa 1973		Bonhams, Sep 2022
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Oyster Perpetual Date, Ref: 1500, Purchased 28th March 1976		Bonhams, Apr 2026
Heuer. A Stainless Steel Automatic Calendar Wristwatch	Seamaster, Ref: 21032422003001, Purchased 29th April 2022		Bonhams, May 2026
Rolex. A Stainless Steel Automatic Wristwatch	Oyster Perpetual, Ref: 6103/6285, Circa 1962		Bonhams, Sep 2025
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Datejust, Ref: 1603, Circa 1969		Bonhams, May 2026
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Oyster Perpetual Date, Ref: 115200, Purchased 19th August, 2		Bonhams, Nov 2023
Omega. A Stainless Steel Automatic Calendar Bracelet Watch	Datejust, Ref: 1600, c.1967		Bonhams, Nov 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.