109 Breitling A very fine, rare and oversized, Duograph, split-seconds chronograph wristwatch in steel, with silvered patinated dial and tachymeter scale, reference 764.

Estimate: € 25.000 –⁠ 50.000

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model Duograph
year Circa 1940s
reference 764
case material Stainless steel
case number 546'500
bracelet material Leather strap
movement type Manual, cal. 179, 18 jewels
dimension 38mm Diameter
signed Case, dial and movement

Breitling’s Duograph is one of the most technically ambitious wristwatches the brand ever produced. Introduced in the 1940s as their flagship split-seconds chronograph, it was made in small numbers and offered in stainless steel, yellow, and pink gold. The present example, cased in stainless steel with a diameter of around 38mm, offers both rarity and a strong presence on the wrist. The watch is powered by a split-seconds movement where the rattrapante mechanism is unusually actuated through the crown, a clever solution that avoids the need for an additional pusher. This engineering nuance underlines Breitling’s innovative approach to chronograph construction at the time. Its dial shows honest aging with an attractive patina and features two subsidiary registers and a tachymeter scale, complemented by blued hands that remain vibrant. The case is in outstanding condition, retaining great proportions, sharp bevels, and deeply engraved caseback—details that are often lost to time or polishing. This watch represents not just a chapter in Breitling’s history, but a compelling entry in the broader evolution of complicated chronographs in the mid-20th century.

Condition Report

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