CaliberDB

Ronda 1223

Mechanical c. 1970
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Notes

1970- pin-lever escapement stem mechanism without setting-lever spring strange: train and hand gear separately driven by the barrel (cf. Ronda 9011)

Dimensions

Width26.6 lignes (60 mm)
Height5.65 mm
Stem height2.65 mm
Hands (H × M × S)2.5 × 1.8 × 1.3 mm

Technical data

Beat rate18,000 vph (2.5 Hz)
Lift angle—
Power reserve38 h
Jewels—
Shock protection—
Mobile stud carrierNo

Complications

Self windingNo
Date No
Day No
HackingNo
ChronographNo

Mainspring

GR codeGR2407
Height1 mm
Thickness0.08 mm
Length220 mm
Barrel diameter6.5 mm