Only Online Auction

Hong Kong, Mar 09, 2022

LOT 19

Ref. 769, chronograph, minute counter and patented slide-rude scale, revolving bezel, calibre Venus 175; “Chronomat”; stainless steel

HKD 12,800 - 25,500

EUR 1,450 - 2,900 / CHF 1,500 - 3,000 / USD 1,650 - 3,300

Sold: HKD 17,500

Stainless steel, manual-winding, ”tonneau”-shaped, pilot’s wristwatch, snap-on case-back, subsidiary seconds at 9 and two horological complications:
· 1/5 second chronograph (activated by the two rectangular-shaped push-pieces located on the case-band) with patented slide-rude scale and revolving bezel
· Half-instantaneous 45-minute recorder (subsidiary dial at 3 o’clock)

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Image Image

Grading System
Grade: AAA


Case: 3


Movement: 3*


Overhaul recommended, at buyer's expense

Dial: 3-01


HANDS Original

Brand Breitling, Geneva

Model “Chronomat”

Reference 769

Year circa 1946

Movement No. unnumbered

Case No. 646 241

Material stainless steel

Bracelet black leather strap

Buckle stainless steel buckle

Diameter 36.6 mm. (bezel)

Caliber Venus 175, 13’’’ (by Berret & Schmitz, Moutier, Bernese Jura)

Height 44.2 mm.

Width 35.8 mm.

Signature dial, case and movement

Accessories copy of the invention patent


Slide-rude scale based on the Swiss invention patent No. 217 012, delivered on September 30, 1941 (application filed on August 26, 1940), to Adrien Schweizer, La Chaux-de-Fonds, for a “Pièce d’horlogerie permettant d’effectuer des opérations tachymétriques et télémétriques” (Timepiece allowing to perform tachometric and telemetric calculations).


The purchase price payable by a buyer will be the sum of the final bid price plus the buyer’s premium, together with any applicable sales or compensating use tax. In addition to the hammer price, the buyer’s premium is payable as follows: 25% of the hammer price on each lot.

Important notice – Special conditions Please look carefully at all the photos as they are an integral part of the description. Any defect not mentioned in the descriptions but visible on the photos will be considered as described and cannot lead to any claim. The dimensions are given as an indication and may slightly differ from the measures mentioned by the manufacturers especially for contemporary watches. The photos are not retouched. Colors may differ from reality. For timepieces, we guarantee neither the functioning nor the precision of the movement, nor the water-resistance of the case. In addition, please note that movements, parts of mechanisms or cases may be incomplete. The lots are sold “as is”, described to the best of our knowledge and cannot be returned. Once the online bid is placed by the bidder, it cannot be cancelled.