Omega 1045 Technical Manual

Cal. 1045

1

Technical guide

1976

CALIBRE

o 31.00 mm

/

Power-reserve
Jewel number

Frequency

Angle of lift

45 h

17

28'800 A/h

53°

8.20 mm

English

1045

Movement height

31 CHRO C 12 RA PC CALD CORR CORJ A24 STS PS C60 17 jewels

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.

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 anti­clockwise direction

Position 3 (exterior) time setting

stop of small second

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.

1976

Cal. 1045

2

DISASSEMBLING

Parts in synthetic material : should be manipulated carefully and not held by the functional sections.

1976

Cal. 1045

3

1976

Cal. 1045

4

1976

Cal. 1045

5