CaliberDB

Omega 320 (Lemania CH27)

Mechanical c. 1942 Chronograph
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Notes

1942-1968 (27CHRO T1 until 1949) Breguet hairspring regulator with catch device for hairspring (cf. Lemania S27)

Dimensions

Width27 lignes (60.91 mm)
Height5.57 mm
Stem height0.5 mm
Hands (H × M × S)1.9 × 1.05 × 0.22 mm

Technical data

Beat rate18,000 vph (2.5 Hz)
Lift angle—
Power reserve44 h
Jewels—
Shock protection—
Mobile stud carrierNo

Complications

Self windingNo
Date No
Day No
HackingNo
ChronographYes

Mainspring

GR code—
Height10 mm
Thickness0.11 mm
Length—
Barrel diameter1.3 mm

Overview

TypeMechanical
Manufacturer Omega
Yearc. 1942
Family —
Clone of —

Documents

None

Updated 7 days ago · 0 revisions