Girard-Perregaux
Girard-Perregaux Gyromatic 39-Jewel Firestone
The Girard‑Perregaux Gyromatic 39‑Jewel “Firestone” is a classic mid-20th-century Swiss automatic dress watch that showcases Girard-Perregaux’s pioneering Gyromatic self-winding movement. The 39-jewel automatic mechanism was part of GP’s effort in the late 1950s and 1960s to create efficient, reliable, and slim automatic calibers—a hallmark of the brand’s innovation in mechanical watchmaking. Gyromatic movements were admired for their smooth bi-directional winding and robust performance, with many examples from this era prized by collectors today for their understated elegance and historical significance.
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Specifications
Brand | Girard Perregaux
Reference |
Movement | Caliber 31.09
Model | Gyromatic 39-Jewel
Strap | Leather Strap
Crystal | Acrylic
Style | Dress Watches
Case Width | 34mm
Case Height | 9.9mm
Lug Width | 18mm
