CaliberDB

Cyma 737

Mechanical
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Notes

open face calibre Breguet hairspring except jewel count differences not known between 737, 777

Dimensions

Width38.2 lignes (86.17 mm)
Height5.05 mm
Stem height0.5 mm
Hands (H × M × S)1.75 × 1.1 × 0.22 mm

Technical data

Beat rate18,000 vph (2.5 Hz)
Lift angle—
Power reserve34 h
Jewels—
Shock protection—
Mobile stud carrierNo

Complications

Self windingNo
Date No
Day No
HackingNo
ChronographNo

Mainspring

GR codeZf3308
Height15 mm
Thickness0.18 mm
Length450 mm
Barrel diameter1.8 mm