Omega 3205 Quick start guide

OMEGASA WORLD SERVICE ORGANIZATION GT-19-C-062-E - B - 3205

3205A

12’’’

Ø 27 mm

Version A Version B

1 2 3 123

I II III

Height on movement 6.85 mm

Power reserve

Number of jewels

Frequency

52 h

4 Hz (28’800 A/h)

CALIBRE

3205

Automatic movement, exclusive Omega chronograph, COSC certiﬁed, Swiss Pallet fork escapement.

Chronograph system with column-wheel. 30-min. minute counter and 12-h hour counter + small second hand

at 9 o’clock. Omega balance system without index.

Technical Guide TG-19-C-062-E B

Made by: pelrom Date: 19.04.2010 3 Modiﬁcations: see last page

Summary

Page

Calibre 3205 1-10

General information for Calibre 3205 3

For the following informations, see basic Technical Guide 3303 3

For the following informations, see document «General information for Calibres

3200, 3201, 3202, 3203, 3205, 3301, 3303, 3313 and 3603» 3

Differences between the versions for Calibre 3205 4

Differences between the versions 4

Exploded views for Calibre 3205 5

Dial side 5

Spare parts list & illustrations for Calibre 3205 6-9

Spare parts & illustrations 6

Spare parts & illustrations 7

Spare parts & illustrations 8

Spare parts & illustrations 9

Modiﬁcations of Technical Guide versions for Calibre 3205 10

OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-062-E - B - 3205

General information for Calibre 3205

For the following informations, see basic Technical Guide

3303:

- Order to assembly (except dial side)

- Hand heights

For the following informations, see document «General

information for Calibres 3200, 3201, 3202, 3203, 3205,

3301, 3303, 3313 and 3603»:

- Complete balance bridge and chronograph bridge

- Major points

- Instantaneous rate

- Special lubrication

- Lubricants

- Cleaning and epilame-coated procedure

- Components that should not be epilam-treated

- Tightening and untightening torque according to

screwthread size

- For additional informations, please consult respective

Technical Guides

- Technical modiﬁcations on version «A»

- Customer Service lubrication of stud for crown wheel

(31.023) and the 3 intermediate driving wheels for ratchet

wheel (32.083)

- Runners for hand setting and hand setting force

- Mandatory tools

- List of programs of apparatus

- Checks of endshake

- Description of chronograph system for swiss lever

escapement

- Functioning system of movement

- Chronograph setting

- Instantaneous rate

OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-062-E - B - 3205

Differences between Calibre 3205A and 3205B

3205A (4 Hz) 3205B (4 Hz)

Main plate

ref. 7223205A10020

Ø Hole for dial fastener: 0.80 mm ref. 7223205B10020

Ø Hole for dial fastener: 1.00 mm

Balance bridge

ref. 722330110058 ref. 7223301B10058

Balance

ref. 722330340055

Cylindrical pivots Ø0.08 mm ref. 7223303B40055

Conical pivots Ø0.07 mm

Shock-absorber, upper

Jewel hole Ø 0.09 mm

ref. 722330332025

Nickel-plated

Jewel hole Ø 0.08 mm

ref. 7223313B32027

Gold-plated

Shock-absorber, lower

ref. 722330332062

Jewel hole Ø 0.09 mm

Nickel-plated

ref. 7223303B70531

Jewel hole Ø 0.08 mm

Gold-plated

In setting, upper ref. 7223303A32127

Jewel hole Ø 0.09 mm ref. 7223313B32127

Jewel hole Ø 0.08 mm

In setting, lower ref. 7223303A32167

Jewel hole Ø 0.09 mm ref. 7223313B32167

Jewel hole Ø 0.08 mm

OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-062-E - B - 3205

Exploded views – Dial side for Calibre 3205

Parts listed in order of assembly

1 = 31080

2 = 31041S2

3 = 31102

4 = 31046

5 = 10062

6 = 6210 (2x)

Moebius SYNT-A-LUBE 9010

Moebius 9504

Moebius SYNT HP-1300 Sans Colorant

OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-062-E - B - 3205

Spare Parts list for Calibre 3205

Main plate jewelled,

pre-assembled Version Reference Barrel Version Reference

3205A 7223205A10020 3205A

722330320010

3205B 7223205B10020 3205B

Barrel bridge, jewelled Version Reference Barrel drum + barrel cover Version Reference

3205A 7223301A10041 3205A 722330320040

3205B 3205B

Wheel train bridge, jewelled Version Reference Barrel arbor Version Reference

3205A 722330110048 3205A 722330320060

3205B 3205B

Pallet bridge, jewelled,

rhodium-plated Version Reference Mainspring with bridle Version Reference

3205A 722330310057 3205A 722330320100

3205B 3205B

Balance bridge,

pre-assembled Version Reference Oscillating weight,

rhodium-plated Version Reference

3205A 722330110058

3205

3205A 7223205A22019

3205B 7223301B10058 3205B

Train bridge Version Reference Intermediate wheel Version Reference

3205A 722320010062 3205A 722330330012

3205B 3205B

Hammer operating

limitation bridge Version Reference Great wheel Version Reference

3205A 722330310615 3205A 722330330014

3205B 3205B

Automatic device

framework, jewelled Version Reference Third wheel Version Reference

3205A 722330312030 3205A 722330330025

3205B 3205B

Automatic device bridge,

pre-assembled Version Reference Second wheel Version Reference

3205A 722330112050 3205A 722330330027**

3205B 3205B

Chronograph bridge,

rhodium-plated Version Reference Escape wheel Version Reference

3205A 7223205A15040N 3205A 722330330040

3205B 7223205A15040 3205B

OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-062-E - B - 3205

Spare Parts list for Calibre 3205

Ratchet wheel Version Reference Cap jewel, lower Version Reference

3205A 722330331022 3205A 7223303A32262

3205B 3205B

Crown wheel Version Reference Cap jewel, upper Version Reference

3205A 722330331023 3205A 7223303A32325

3205B 3205B

Minute wheel Version Reference Shock-absorber spring, top Version Reference

3205A 722330331041S2 3205A 7223303A32425

3205B 3205B

Hour wheel Version Reference Shock-absorber spring, bottom Version Reference

3205A 722330331046** 3205A 7223303A32462

3205B 3205B

Cannon pinion with

driving wheel Version Reference Ratchet wheel driving wheel Version Reference

3205A 722330331080** 3205A 72233033203301

3205B 3205B

Motion worksetting wheel Version Reference Wig-wag pinion Version Reference

3205A 722330331102 3205A 722330332104

3205B 3205B

Winding pinion Version Reference Stop pinion Version Reference

3205A 722330331120 3205A 722330332105

3205B 3205B

Sliding pinion Version Reference Chronograph wheel Version Reference

3205A 722330331121 3205A 722330335010**

3205B 3205B

Reduction wheel Version Reference Minute-counting wheel Version Reference

3205A 722330332031S2 3205A 722330335012**

3205B 3205B

Shock-absorder, upper Version Reference Hour-counting wheel Version Reference

3205A 722330332025 3205A 722330335030**

3205B 7223313B32027 3205B

Shock-absorber, lower Version Reference Driving wheel for counters Version Reference

3205A 722330332062 3205A 722330335031

3205B 7223303B70531 3205B

In settings, upper Version Reference Hour counter additional

driving wheel 1 Version Reference

3205A 7223303A32127 3205A 722330335032

3205B 7223313B32127 3205B

In settings, lower Version Reference Hour counter additional

driving wheel 2 Version Reference

3205A 7223303A32167 3205A 722330335033

3205B 7223313B32167 3205B

OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-062-E - B - 3205

Spare Parts list for Calibre 3205

Pallet fork Version Reference Column wheel jumper Version Reference

3205A 722330340010 3205A 722330355130

3205B 3205B

Balance complete with stud Version Reference Minute counter jumper Version Reference

3205A 722330340055 3205A 722330355143

3205B 7223303B40055 3205B

Stud support Version Reference Chronograph column-wheel Version Reference

3205A 722330340210 3205A 722330355180

3205B 3205B

Winding stem Version Reference Chronograph and minute hammer Version Reference

3205A 722330351010 3205A 722330355240

3205B 3205B

Yoke 2 position Version Reference Hour hammer Version Reference

3205A 722320051050 3205A 722330355248

3205B 3205B

Rocking bar 2 position Version Reference Eccentric screw Version Reference

3205A 722320051052 3205A 722330355445

3205B 3205B

Setting lever Version Reference Balance stop lever Version Reference

3205A 722330351083 3205A 722330356070

3205B 3205B

Setting lever jumper Version Reference Click spring Version Reference

3205A 722320051090 3205A 722330361080

3205B 3205B

Click Version Reference Yoke spring Version Reference

3205A 722330351120 3205A 722330361100

3205B 3205B

Stop click Version Reference Stop click spring Version Reference

3205A 722330352053 3205A 722330362101

3205B 3205B

Column wheel

operating lever Version Reference Column wheel operating

lever spring Version Reference

3205A 722330355040 3205A 722330365040

3205B 3205B

Hammer operating lever Version Reference Hammer operating

lever spring Version Reference

3205A 7223303A55048 3205A 722330365047

3205B 3205B

Clutch rocker Version Reference Hour wheel friction spring Version Reference

3205A 722330355090 3205A 722330366220

3205B 3205B

Clutch lever Version Reference Crown wheel core Version Reference

3205A 722330355100 3205A 722330381136

3205B 3205B

OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-062-E - B - 3205

Spare Parts list for Calibre 3205

Dial fastener Version Reference Screwfor column wheel

operating lever Version Reference

3205A 722330370200 3205A 72233036204

3205B 3205B

Screw for stud Version Reference Screw for crown boss Version Reference

3205A 72233034002 3205A 72233036204

3205B 3205B

Screw for automatic device

bridge Version Reference Screw for train bridge Version Reference

3205A 72233036003 3205A 72233036210

3205B 3205B

Screw for hammer operating

lever Version Reference Screw for setting lever jumper Version Reference

3205A 72226016004 3205A 72233036407

3205B 3205B

Screw for clutch rocker Version Reference Screw for click Version Reference

3205A 72226016004 3205A 72233037008

3205B 3205B

Screw for clutch lever Version Reference Screwfor chronograph bridge Version Reference

3205A 72226016004 3205A 72233037031

3205B 3205B

Screw for column wheel

jumper Version Reference Screw for balance-bridge Version Reference

3205A 72226016004 3205A 72233037031

3205B 3205B

Screw for minute counter

jumper Version Reference Screw for train wheel bridge Version Reference

3205A 72226016004 3205A 72233037031

3205B 3205B

Screw for barrel bridge Version Reference Screw for automatic

device brigde Version Reference

3205A 72233036011 3205A 72233037033

3205B 3205B

Screw for hammer operating

lever spring Version Reference Screw for chronograph bridge Version Reference

3205A 7223612A6012 3205A 72233037033

3205B 3205B

Screw for ratchet wheel Version Reference Screw for setting lever jumper Version Reference

3205A 72233036019 3205A 72233037035

3205B 3205B

Screw for column wheel

operating lever Version Reference Screw for oscillating weight Version Reference

3205A 72233036022 3205A 72233038200

3205B 3205B

Screw for hammer operating

limitation bridge Version Reference Screw for pallet bridge Version Reference

3205A 72233036034 3205A 72233038204

3205B 3205B



OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-062-E - B - 3205

Technical Guide versions

First version: 29.08.2008 Version A Made by: Pelrom

Last version: 19.04.2010 Version B

Modiﬁcations of Technical Guide version B

Old version (A) NewVersion (B)

----------------------------------

For the following informations, see basic Technical

Guide 3303

For the following informations, see document

«General information for Calibres 3200, 3201,

3202, 3203, 3205, 3301, 3303, 3313 and 3603»

Complete revision of the document

Modiﬁcations of Technical Guide versions for Calibre 3205

/10

OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-062-E - B - 3205

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