Omega 1045 Technical Manual

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Cal. 1045
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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.
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DISASSEMBLING
Parts in synthetic material : should be manipulated carefully and not held by the functional sections.
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ASSEMBLING
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1000 Plate 1002 3/4 plate bridge 1005 Pallet cock 1026 Rotor 1030 Balance cock 1031 Bridge for automatic device 1040 Stem cock 1046 Rotor support 1100 Ratchet wheel 1101 Crown wheel 1104 Clicking spring 1123 Stop-lever 1168 Crown wheel lid 1202 Barrel drum
1204 Barrel axle 1208 Mainspring 1212 Intermediate wheel 1243 Fourth wheel 1305 Escape wheel 1316 Pallet fork 1327 Balance complete 1334 Regulator 1346 Shock-absorbing device for balance, lower 1347 Shock-absorbing device for balance, upper 1357 Regulator driver
1363 Stud holder 1400 Rotor axle 1402 Rotor bearing 1412 Impulse click 1414 Stop click 1429 Rotor pinion 1432 Reduction gear 1437 Driving gear for ratchet wheel 1451 Gib of rotor 1705 Chronograph runner 1712 Coupling runner 1724 Coupling yoke 1728 Second hammer
1731 Coupling yoke spring 1735 Friction spring for chronograph runner 2583 Screw for 3/4 plate bridge 2583 Screw for pallet cock 2583 Screw for balance cock 2673 Screw for bridge for automatic device 2690 Screw for stud 2691 Screw for regulator adjustment 2694 Screw for impulse click 5140 Rivet for rotor axle
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1000 Plate 1106 Winding stem 1107 Clutch wheel 1108 Winding pinion 1109 Setting lever 1110 Setting lever spring 1111 Yoke 1112 Yoke spring 1113 Setting wheel 1169 Setting wheel spring 1218 Cannon pinion 1231 Hour wheel 1246 Minute wheel 1262 24 hours wheel 1268 Hour wheel spring 1503 Date and day jumper
1511 Date and day driver 1516 Date indicator 1527 Support for date indicator mechanism 1529 Date and day jumper spring 1530 Date and day corrector 1554 Date indicator guard 1555 Day indicator guard 1559 Double date setting wheel 1564 Date indicator driving wheel 1580 Date indicator
7528 Date and day setting wheel corrector 1715 Pillar wheel 1718 Operating lever hook 1719 Operating lever hook spring 1720 Operating lever 1727 Pillar wheel jumper 1737 Intermediate wheel for hour recorder 1760 Minute heart 1763 Minute recorder bridge 1783 Hour and minute hammer
1784 Operating lever for hammers 1785 Hammer cam 1788 Hour recording runner 2583 Screw for setting lever spring 2583 Screw for minute recorder bridge 2583 Screw for pillar wheel jumper 2673 Screw for date indicator guard 2674 Screw for support for date indicator mechanism 2689 Screw for stem cock 5133 Date indicator driving wheel stud 5139 Pillar wheel stud
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