An increasingly difficult reference to source in original condition, this Heuer Pre-Carrera Ref. 3641 is the third execution dial, produced just prior to the Carrera line’s launch. Clean, symmetrical, and unmistakably classic, it represents a transitional era in Heuer’s design language and case construction.
This model is powered by the Valjoux 92, a highly regarded column-wheel chronograph movement renowned for its reliability, smooth operation, and importance to mid-century chronograph development. The movement is Heuer-signed, a subtle nod to the era when Heuer’s finishing details set them apart from other tool watch brands.
The 35mm chrome-plated case shows some pitting, as is expected with these cases, but retains its profile. The silver dial is in excellent original condition, with rich creamy patina to the tritium matchstick hands and baton markers — details that elevate the character of this piece.
Why Collectors Want It
This is the third execution of the 3641 reference, distinguished by its applied hour markers, faceted lugs, and minimalist dial print. For collectors, it offers an authentic slice of Heuer’s design evolution.
As detailed by OnTheDash, the third execution features all the subtle refinements that make it the most desirable and practical version of the 3641, and this example is one of the strongest we’ve come across for dial clarity.
Key Features
Year: 1967
Reference: Heuer 3641 – Third Execution
Movement: Heuer-signed Valjoux 92 manual wind chronograph
Case Size: 35mm chrome-plated case (signs of pitting present)
Dial: Original silver dial, creamy tritium lume, matchstick hands
Crystal: Acrylic
Strap: Brown leather strap from Watch Gecko
Papers/Box: Watch only
Warranty: 12-month Watts On Watches warranty
Condition & Guarantee
This watch remains in honest, original condition. The dial is beautifully preserved, and the movement has been professionally serviced and is performing as intended. While there are signs of age to the case, they are consistent with the vintage and expected on these early executions.
Every watch sold by Watts On Watches is inspected, serviced, and includes our 12-month mechanical warranty. Purchases are supplied in bespoke Watts On Watches packaging with full purchase documentation.
