Case: Stainless steel, three-body, screw-down case back. Case number 268180. Signed.

Dial: Silvered dial with three registers. Luminescent numerals and hands. Outer tachymeter in blue. Signed.

Movement: Valjoux 72. Manual winding. 17 jewels. Signed.

Diameter: 35mm.

Condition: Watch is in excellent condition, with some nice even aging of the tritium. Timing is within vintage watch specifications: /- 15 seconds per day.

More about Girard Perregaux: 

Girard-Perregaux can trace its beginnings to 1791 and is based in La Chaux-deFonds, Switzerland. The name manufacture’s name was the result of the 1854 marriage of Constant Girard and Marie Perregaux, a union of two, prominent Swiss watchmaking families. 

The present chronograph is equipped with the famed Valjoux calibre 72, which was used to power many of the best known and highly collectible chronographs of the midcentury.