Automatic chronograph watch movement ETA 7550.
The movement is a brand new high grade automatic chronograph.
All ETA automatic movements are made in Switzerland and must meet extremely strict criteria for precision before they make it into a watch. Their high frequency ensures excellent mechanical precision.
ETA 7750, Swiss Made. Automatic calibre.
Diameter: 30.4 mm (13 ¼”’) — 25 rubies. Rapid date correction.
Balance frequency: 28800 vibrations per hour (4 Hz).
Power reserve: about 42 hours.
Hours — minutes — small seconds at 9 o’clock. Chronograph counter: hours — minutes.
Central seconds counter. Date window.
Any other parts that are not shown in the photos should be considered as not included with the movement.