CaliberDB

ETA 2734

Mechanical c. 1969 Self-winding (rotor) Date Hacking
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Notes

1969-1972, < 50000 (ETA 2732, 2734, 2738) first ETA calibre with 36000 A/h option: excenter regulator (Fig.1) option: Triovis micrometer regulator (Fig.4)

Dimensions

Width25.6 lignes (57.75 mm)
Height4.5 mm
Stem height1.2 mm
Hands (H × M × S)1.5 × 0.9 × 0.21 mm

Technical data

Beat rate36,000 vph (5 Hz)
Lift angle52 °
Power reserve44 h
Jewels—
Shock protection—
Mobile stud carrierNo

Complications

Self windingRotor
Date Yes (quick set)
Day No
HackingYes
ChronographNo

Mainspring

GR code—
Height1.18 mm
Thickness0.14 mm
Length400 mm
Barrel diameter—