Online Catalogue
24 June 2026 - Basel Watch Auction
Provenance
Swiss owner
Some Gorgerat chronographs (signed JRGK on the bridge-standing for Jean-Raoul Gorgerat Kelek) are fitted with Caliber 12 – successor to the legendary Caliber 11 Chrono-Matic developed by Heuer/ Breitling/Hamilton/Buren based on their Intramatic movement.
Online Catalogue 24 June 2026 - Basel Watch Auction Lot 449
Gorgerat
Automatic Chrono, circa 1970
A stainless-steel automatic chronograph wristwatch
Case: tonneau case, screw down case back, signed.
Dial: white dial with two black registers for 12 hours and 30 minutes indication, date aperture at 6, hours, minutes hands black, orange center seconds and the chronograph hands in orange, outer 1/5th minute track, signed
Movement: automatic, signed “JRGK”
Dimensions: 40 mm
*CHF 800 – 1'200
Provenance
Swiss owner
Some Gorgerat chronographs (signed JRGK on the bridge-standing for Jean-Raoul Gorgerat Kelek) are fitted with Caliber 12 – successor to the legendary Caliber 11 Chrono-Matic developed by Heuer/ Breitling/Hamilton/Buren based on their Intramatic movement.