CaliberDB

FEF 217

Mechanical
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Notes

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

Dimensions

Width25.6 lignes (57.75 mm)
Height4 mm
Stem height0.5 mm
Hands (H × M × S)1.3 × 0.6 × 0.21 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 codeGR5254
Height1.8 mm
Thickness0.1 mm
Length320 mm
Barrel diameter9 mm