Omega 3220 Quick start guide

OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-024-E - C - 3220 /1

131/4’’’

Ø 30 mm

Version A

Height on movement 6.50 mm

Power reserve

Number of jewels

Frequency

Lift angle

40 h

4 Hz (28’800 A/h)

51°

CALIBRE

3220

Automatic movement with chronograph. Swiss lever escapement, minute counter (30 min.) at 9 o’clock, hour

counter (12 h) at 6 o’clock + small second at 3 o’clock. Glucydur balance with Etachron system.

Display of hour, minute and second in centre.

Technical Guide TG-19-C-024-E C

Produced by: pelrom Date: 20.09.2010 3 Modiﬁcations: see last page

3220

3220 A

32203220

Contents

OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-024-E - C - 3220

Page

Calibre 3220 1

General information for Calibre 3220 3

Basic movement assembly 3

Lubricating the Swiss-lever escapement 3

Measuring instruments 3

Tightening and untightening torques according to screw thread 3

Mandatory tools / Lubricants 3

Exploded views for calibre 3220 4-16

Assembly - chronograph module 4-16

Speciﬁc information for calibre 3220 17-22

Disassembling the chronograph module 17

Inspection during re-assembly 17-19

Inspection + adjusting the hammer 19-20

Chronograph System Operation 20

Setting the time / Chronograph Operation 21

Runners for hand setting and hand setting force / Instantaneous rate 22

Spare parts list for calibre 3220 23-32

List and plate for chronograph module supplies 23-27

List and plate for movement supplies 28-31

List of jewels and bushes 32

Modiﬁcations of Technical Guide version for Calibre 3220 33

OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-024-E - C - 3220

General information for calibre 3220

The chronograph must be dismantled in the Start position

(START).

Some lubrication takes place on the top of pins

Basic movement assembly

See Calibre 1120 Technical Guide

Lubricating the Swiss-lever escapement

See Working Instruction 40.

Measuring instruments depending on operation types

Tightening and untightening torques according to screw

thread

Mandatory tools:

To ﬁt the hands, the movement must be placed in a

suitable, well-adjusted movement holder.

Hand ﬁtting Reference

Hand fitting tool kit 507 0011

Movement holder for hand fitting 507 0026

Basic movement Reference

Mainspring winder 502 150 0009

ETACHRON stud extraction key 502 200 0062

ETACHRON adjustment key 502 200 0061

ETACHRON holder 502 100 0311

Ball bearing set 502 S09 SET

Chronograph Reference

Movement holder (ring) 502 110 0211

Lubricants Reference

Moebius HP-500 504 5012

Moebius SYNT HP-1300 Sans Colorant 504 5013

Molycote DX 504 100 0052

Moebius SYNT-A-LUBE 9010 (2ml) 504 200 0001

Operation Minimum equipment required

Rate adjustement after full

or partial maintenance service 4 Hz

- Watch Expert II (white case)

- Chronoscope S1

- Watch Expert (red case)

- Wicomètre Professionnel

- Chronoscope M1

Screw Ø Tightening torque target cNm Untightening torque mini cNm

Øthreads ≤S 0.50 mm 1.0 0.7

Øthreads S 0.6 mm 1.4 0.8

Øthreads S 0.7 mm 1.8 0.9

Øthreads S 0.8 mm 2.2 1.1

Øthreads S 0.9 mm 2.6 1.3

Øthreads S 1.0 mm 3.0 1.6

Øthreads S 1.2 mm 3.5 2.0

Øthreads S 1.4 and > 4.0 2.5

Assembly - Chronograph module for Calibre 3220

OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-024-E - C - 3220

31.044

31.040

1251

Press

Movement

holder

Second train

driving wheel

Second train

wheel small plate

Screw for second

train driving

wheel small plate

Additional minute

train bridge

assembled

Screw for

additional

minute train

Ref.

1234 5

Ref. 30.029 Ref. 15.050 Ref. 3448 Ref. 10.062 Ref. 3445

1.0 Parts for assembling

Check that the wheel is free

(ref. 30.029) use an air blower. Do not

lubricate the second gear train driving

wheel pivoting.

Moebius SYNT HP-1300 Sans Colorant

2.0 Pre-lubrication

3.0 Order of assembly

Check the height of the friction spring (see page 18).

Assembly - Chronograph module for Calibre 3220

OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-024-E - C - 3220

Moebius SYNT HP-500

Moebius SYNT HP-1300 Sans Colorant

Movement

holder

Hour counter

intermediate

wheel

Hour counter

driving wheel

Minute counter

driving wheel

Chronograph

wheel

Support jewel for

center wheel

Ref.

1234 5

Ref. 35.033 Ref. 35.031 Ref. 35.013 Ref. 35.010 Ref. 1594

1.0 Parts for assembling

2.0 Pre-lubrication

3.0 Order of assembly

Press

Check that the friction spring is

positioned correctly (see page 18).

Assembly - Chronograph module for Calibre 3220

OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-024-E - C - 3220

Movement

holder Chronograph bridge Screw for chronograph bridge Screw for chronograph bridge

Ref.

123

Ref. 10.047 Ref. 3513 Ref. 2837

2.0 Pre-lubrication

3.0 Order of assembly

Check that the wheel is free use an air

blower.

Check the end shake of moving

chronograph parts!

1.0 Parts for assembling

Moebius SYNT HP-500

Assembly - Chronograph module for Calibre 3220

OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-024-E - C - 3220

2.0 Pre-lubrication

3.0 Order of assembly

1.0 Parts for assembling

Movement

holder Second wheel driving pinion Intermediate second wheel Second pinion

Ref.

123

Ref. 1544 Ref. 1542 Ref.30.027

Moebius SYNT HP-500

Assembly - Chronograph module for Calibre 3220

OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-024-E - C - 3220

Movement

holder Second train bridge Screw for second train bridge Second pinion friction spring

Ref.

123

Ref. 15.051 Ref. 3450 Ref. 120

2.0 Pre-lubrication

3.0 Order of assembly

1.0 Parts for assembling

Check the friction spring tension (see

page 18) + end shake of moving parts!

Moebius SYNT HP-500

Moebius SYNT HP-1300 Sans Colorant

Assembly - Chronograph module for Calibre 3220

OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-024-E - C - 3220

1.0 Parts for assembling

2.0 Pre-lubrication

3.0 Order of assembly

Movement

holder Lock Screw for lock Lock spring Cam jumper Clutch wheel

Ref.

1234 5

Ref. 55.281 Ref. 2838 Ref. 65.210 Ref. 55.138 Ref. 35.062

Press

Do not lubricate th

bottom pivot

Moebius SYNT HP-500

Molycote DX

/10

Assembly - Chronograph module for Calibre 3220

OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-024-E - C - 3220

1.0 Parts for assembling

2.0 Pre-lubrication

Movement

holder Clutch spring

Clutch spring

maintaining

washer

Screw for clutch

spring and

cam jumper

Chronograph cam Reversing yoke

Ref.

1234 5

Ref. 65.046 Ref. 80.282 Ref. 2839 Ref. 55.200 Ref. 55.086

Check the uncoupling spring position

(see page 19)

2.1 Pre-assembly Molycote DX

3.0 Order of assembly

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