Omega CALIBRE 2628 User Manual

2628
2628
2628 A
111/2’’’
Ø 25,60 mm
Version A Version B
1 2
3
Height on movement 5.20 mm
Power reserve
Number of jewels
Frequency
Lift angle
44 h
27
4 Hz (28’800 A/h)
30° / 38°
48 h
27
3.5 Hz (25’200 A/h)
38°
CALIBRE
2628
Automatic movement, Co-Axial escapement, date, Time zone function, GMT, COSC-certified,
Omega balance system without index. GMT, hour, minute and second hands in centre.
Technical Guide TG-19-C-006-E
D
Produced by : pelrom Date: 09.10.2008 3
OMEGA SA WORLD SERVICE ORGANIZATION GT-19-C-006-E - D - 2628
/1

Omega CALIBRE 2628 Specifications

General

Movement Type	Automatic
Functions	Hours, minutes, seconds, date
Case Material	Stainless steel
Dial	Black
Bracelet	Stainless steel
Caliber	2628
Frequency	28, 800 A/h (4 Hz)
Water Resistance	100 meters
Crystal	Sapphire crystal

Summary

General Information for Calibre 2628

Torque Specifications for Screws

Torque specifications for screw tightening and untightening.

Technical Modifications, Tools, and Lubricants

Differences Between Versions 2628A and 2628B

Balance, Shock-Absorber, and Setting Lever Differences

Exploded Views - Movement Side

Spare Parts List for Calibre 2628 (Part 1)

Main Plate and Barrel Bridge Parts

Spare parts for main plate, barrel bridge, and wheel train bridge.

Pallet, Balance, and Minute Train Bridge Parts

Spare parts for pallet bridge, balance bridge, and minute train bridge.

Dial Fastener, Barrel, and Mainspring Parts

Spare parts for dial fastener, barrel, and mainspring.

Spare Parts List for Calibre 2628 (Part 2)

Ball Bearing and Hour Wheel Parts

Spare parts for ball bearing, hour wheel, and related components.

Intermediate Wheel and Cannon Pinion Parts

Spare parts for intermediate wheel, cannon pinion, and setting wheel.

Second Wheel and Escape Wheel Parts

Spare parts for second wheel, intermediate escape wheel, and related parts.

Co-Axial Wheel and Ratchet Wheel Parts

Spare parts for co-axial wheel, ratchet wheel, and crown wheel.

Spare Parts List for Calibre 2628 (Part 3)

Date Wheel and Pallet Fork Parts

Spare parts for date wheel, pallet fork, and stop lever.

Balance Complete and Shock-Absorber Parts

Spare parts for balance complete, shock-absorber, and setting lever.

Stud Support and Yoke Parts

Spare parts for stud support, winding stem, yoke, and setting lever.

Click and Reverser Parts

Spare Parts List for Calibre 2628 (Part 4)

Screws for Date Jumper and Display Mechanism

Screws for Setting Lever and Minute Train

Screws for Barrel and Balance Bridges

Screws for Wheel Train, Reverser, and Ball Bearing

Specific Information for Calibre 2628

Assembling the Escapement System

Special Parameter Settings and Timing Key

Special Parameter Settings for Calibres

Timing Key Usage and Balance Adjustment

Using the timing key to adjust the balance and rate.