CaliberDB

Universal 138SS

Mechanical c. 1948 Self-winding (rotor)
No photos yet

Notes

1948-1955 (138SS, 139) differences not known between 138SS, 139

Dimensions

Width28.2 lignes (63.61 mm)
Height5.6 mm
Stem height—
Hands (H × M × S)1.32 × 0.8 × 0.2 mm

Technical data

Beat rate18,000 vph (2.5 Hz)
Lift angle—
Power reserve36 h
Jewels—
Shock protection—
Mobile stud carrierNo

Complications

Self windingRotor
Date No
Day No
HackingNo
ChronographNo

Mainspring

GR codeGR3486
Height1.35 mm
Thickness0.09 mm
Length260 mm
Barrel diameter7.5 mm

Overview

TypeMechanical
Manufacturer Universal
Yearc. 1948
Family —
Clone of —

Related calibers

Documents

None

Updated 7 days ago · 0 revisions