Omega Calibre 1020

Omega 1020

1972-1984

Features
Automatic
Sweep second
Day: quickset by setting hands backwards
Date: quickset
Hack feature

Data
Dm= 27.9mm
H= 4.8mm
17 jewels
f = 28800 A/h
power reserve 42h

Mainspring / battery
Omega 1010-1208

Hands
1.30 x 0.60 x 0.15mm

1972-1984, 575000
The automatic gear is integrated into the movement, instead of attaching it to a manual-wind calibre as usual.
Together with indirectly driven minute and second this leaves in the center space for a rugged rotor bearing, despite the low profile.