Swiss made, automatic, 30 mm /7.9 mm, 25 jewels, 28,800 vph (4Hz). Unidirectional winding. The Valjoux 7750 is also called the ETA 7750. It is one of the most common chronograph configurations and is highly reliable.
Swiss made, automatic, 30 mm /7.9 mm, 25 jewels, 28,800 vph (4Hz). Unidirectional winding. The Valjoux 7750 is also called the ETA 7750. It is one of the most common chronograph configurations and is highly reliable.