ETA 734

Basic Information

NameETA 734
ManufacturerETA
Launch Year1940
Is COSC certifiedNo

Technical Details

Lignes Dimensions7.75 ‴ x 11 ‴
Dimensions17.6 mm x 25 mm
Height(not set)
Further MeasuresMounting Diameter (Dm): 17.6 x 25.0mm
Stem height (T): 1.6mm
Mounting Height (F): 0.6mm
Power Reserve47 hours
Frequency18,000 vph
Jewels15

Complications and Specifications

ShapeBarrel (Tonneau)
Complications
  • Sweep Second
Regulator TypePinned Regulator (or Index Regulator)
Movement TypeManual
Escapement TypeSwiss Lever
Control TypeBalance Wheel
Winding TypeStem Winding (Crown)
Setting TypeStem Set (Crown Pull)

Additional Information

Hand Sizes1.50 x 0.90mm
Hand Count3
Country Of Manufacture(not set)
NotesRemarks: differences not known between 734, 736
probably just official designations for differing base plates and bridge layouts (cf. ETA 735)
Other data: balance staff: U708 stem: W133 mainspring / battery: Zf873, 1.30 x 10.0 x 0.11 x 320mm balance staff ronda: 806 (7,75 x 11) stem ronda: 7 (7,75 x 11)
Signatureca. 1940: - ETA, 735 (ETA 735, sub second)
Import Codes

Metadata

Created AtSep 15, 2023
Updated AtApr 23, 2025, 11:32:13 PM
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