Valjoux was founded in 1901 in Les Bioux, Vallée de Joux, Switzerland by brothers John and Charles Reymond, trading as Reymond Frères SA until the company was renamed Valjoux SA in 1929 — a contraction of its home valley. From the outset Valjoux specialized exclusively in chronograph movements. Its column-wheel caliber 22 (1914) and the 13-ligne caliber 23 (1916) became industry standards used by Audemars Piguet, Patek Philippe, Rolex, and Vacheron Constantin, among others.

Valjoux joined Ebauches SA in 1944 and was absorbed into ETA SA (Swatch Group) in 1983. Its most enduring legacy is the Valjoux 7750 (1974), an automatic column-wheel chronograph that became the most-produced mechanical chronograph movement in history and continues in production today as the ETA 7750. For collectors, vintage Valjoux-signed movements — particularly the pre-ETA cal. 72, 23, and 88 families — are among the most valued Swiss chronograph bases.

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Manufacturer Movement
Valjoux Manual 31.58 mm
Valjoux Manual 31.58 mm
Valjoux Manual 31.58 mm
Valjoux Manual 30 mm
Valjoux Manual 29.33 mm
Valjoux Manual 30 mm
Valjoux Manual 30 mm
Valjoux Manual 30 mm
Valjoux Manual 43.1 mm
Valjoux Manual 43.1 mm
Valjoux Manual 43.1 mm
Valjoux Manual 43.1 mm
Valjoux Manual 43.1 mm
Valjoux Manual 43.1 mm
Valjoux Manual 43.1 mm
Valjoux Manual 43.1 mm
Valjoux Manual 43.1 mm
Valjoux Manual 43.1 mm
Valjoux Manual 43.1 mm
Valjoux Manual 43.1 mm
Valjoux Manual 43.1 mm
Valjoux Manual 43.1 mm
Valjoux Manual 43.1 mm
Valjoux Manual 39.86 mm
Valjoux Manual 43.1 mm
Valjoux Manual 43.1 mm
Valjoux Manual 42.86 mm
Valjoux Manual 43.1 mm
Valjoux Manual 43.1 mm
Valjoux Manual 23.4 mm