ETA 7750
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13 1/4”’ | Automatic | Swiss Lever | Small Seconds | Date | Day | Chronograph |
Remarks:
- Chronograph cam-actuated:
- Central chronograph seconds
- 30 min counter at 12H
- 12 hour counter at 6H
- Automatic with uni-directional winding
- Small seconds at 9H with hacking
- Date and day with quick-setting
- Available in different qualities:
- Elaboré: gold-plated nickel balance wheel, Nivarox 2 hairspring, regulated in 3 positions, middle rate: 5 +/- 5 s/d
- Top: Glucydur balance wheel, Anachron hairspring, regulated in 5 positions, middle rate: 4 +/- 4 s/d
- Chronomètre: like Top, but middle rate, max. divergence and isochronism according to COSC criteria, consecutive serial numbers
- Movement family (all are chronographs):
- ETA 7750: Automatic, date, day
- ETA 7751: Automatic, pointer date, day, month, moon phase, 24 h indicator
- ETA 7753: Automatic, date at 4:30H, 30 min counter at 3H
- ETA 7754: Automatic, date at 3H, central 24 h indicator, 30 min counter at 12H
- ETA 7758 / 7750 CCL: like 7750, with moon phase
- ETA 7760: Hand winding, date, day, 30 min counter at 12H
- ETA 7765: Hand winding, date
- ETA 7768: Like 7758, but hand winding
- ETA 7770: Automatic, Rattrapante, pointer date at 3 H
- Listing ID: 7011
- Manufacturer / Brand: ETA
- Caliber: 7750
- Size in French Lignes: 13 1/4'''
- Size range mm largest diameter: 22 - 31 mm
- Shape: Round
- Winding: Automatic
- Hands Setting: Crown
- Seconds Hand: Small seconds
- Escapement: Lever (Swiss, English, Glashütte)
- Date, Day, Month...: Date & Day
- Other Functions: Chronograph
- Jewels: 17, 25
- Setting Lever Screw/Pin Position: Left
- Balance Position: Bottom (120 - 240°)
- Shock Protection: Incabloc
- Beats per hour: 28,800
- Balance Type: Glucydur
- Power Reserve: 48 hours
- Production Period: 1973+ (as Valjoux 7750)
- Identification: Movement marked with ETA logo and 7750 under the balance wheel.
- Country: Switzerland
- Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
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