ETA · Valjoux
7751
A Valjoux automatic combining a chronograph, complete calendar and moon phase in one familiar platform.
At a glance
- Type
- Automatic mechanical
- Display / complication
- Complete calendar
- Architecture
- Cam-operated chronograph, pointer date, day and month windows, moon phase and 24-hour hand
- Timebase
- 28,800 vph / 4 Hz
- Power reserve
- 54 h typical (ETA listing)
- Movement height
- 7.90 mm
- Jewels
- 25
Reference sources reviewed 7 November 2026. Published specifications, not independent measurements. Versions and complete-watch specifications can differ; fields without a verified figure are omitted or identified.
What distinguishes it
Look beyond the reference.
A complete calendar shows day, date and month but requires correction after months shorter than 31 days. The moon phase and chronograph do not make this an annual or perpetual calendar.
For the enthusiast
ETA now places the 7751 in its phased-out catalogue, so it is included as a widely encountered modern-era reference. ETA lists 54 hours typical; STOWA documents approximately 46 hours for its execution. Check the particular watch and generation.