Is ETA 7750 a COSC?
Is ETA 7750 a COSC?
First introduced in 1974, the 7750 was Valjoux’ answer to the Zenith El Primero automatic movement. However, when properly tuned in, the 7750 meets COSC Chronometer standards, and is found in many quality watch brands, such as TAG Heuer.
Is valjoux 7750 column wheel?
The column wheel variants of the 7750 are thoroughly reworked to truly be new movements. But they retain the proven design and parts availability of that original movement. The only truly surprising element of these movements is that their Valjoux base is not widely recognized.
Which way does a Valjoux 7750 wind?
chronographs using a Valjoux 7750 movement wind only clockwise and need at least 800 TPD.
Is valjoux an ETA?
Valjoux (for Vallée de Joux, “Joux Valley”) is a Swiss manufacturer of mechanical watch movements. It is known primarily for chronograph ébauche movements that are used in a number of mid- to high-range mechanical watches. The company is a part of ETA, and is a member of the Swatch Group.