CaliberDB

FEF 218-1

Mechanical
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Notes

various bridge shapes (cf. FEF 190) differences not known between 210-1...220-1, 222-1, 224-1, 226-1, 227-1

Dimensions

Width25.6 lignes (57.75 mm)
Height1.9 mm
Stem height0.5 mm
Hands (H × M × S)1.4 × 0.8 × ? 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 codeZf1471
Height10 mm
Thickness0.1 mm
Length350 mm
Barrel diameter1.8 mm