Omega 1045 Technical Manual

Technical guide
31 CHRO C 12 RA PC CALD CORR CORJ A24 STS PS C60 17 jewels
Movement height
Power-reserve
Jewel number
Frequency
Angle of lift

MANIPULATION

of the chronograph pusher
Pusher "A" 1st push = start of hands C - D - E
2nd push = stop of hands C - D - E
Pusher "B" push = reset to zero of hands C - D - E
when stopped.
of the winding crown
Position 1 (against the case) manual winding
Position 2 (middle) rapid correction of date by turning the
winding crown in clockwise direction
rapid correction of day by turning the winding crown in anti-
clockwise direction
Position 3 (exterior) time setting
stop of small second
Cal. 1045
C
ALIBRE
1045
o 31.00 mm
/
English
1976
8.20 mm
45 h
17
28'800 A/h
53°
Automatic wrist-chronograph with 2 pushers in the usual
position. Chronograph coupling by disc system. Hour,
minute and second hammers self-coordinated. Sweep
second hand. Central 60 minute recorder hand. 12-hour
recorder hand. Synchronization of the 3 chronograph
hands is ensured by a single wheel-train chain. Small
second hand. 24-hour indicator. Stop-second device.
Day-date indicators with rapid corrector. Automatic
unidirectional winding of simple conception. Fine
adjustment system with mobile stud-holder. Removal of
barrel without disassembling of movement.
1