Omega 2503.80.00 User Manual

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English
Introduction
– Special recommendations ........................... 4
– Environmental protection ........................... 5
– Leather straps .................................. 6
– Anti-refl ective treatment ........................... 6
– Screw-down crown ............................... 6
– OMEGA International Warranty ...................... 7
Operating instructions
– Quartz watch
Calibres: 1376, 1424, 1426, 1456, 1530, 1532, 1538 ......... 11
4000 ................................. 12
4600 ................................. 13
– Quartz Chronograph
Calibres: 1270 ................................. 14
5200 ................................. 15
– Manual & Self-winding watch
Calibres: 8500, 8501, 8601, 8611 ...................... 17
1120, 2300, 2500, 2520, 2610, 2627, 8520, 8521 ...... 18
2005, 2006, 2007, 2200, 2201, 2202, 2403, 8401, 8421 . . 20
– Manual-winding chronograph
Calibres: 1861, 1863, 1866, 3200, 3201, 3203, 3604 .......... 21
– Self-winding chronograph
Calibres: 3202, 3205, 3220, 3601, 3602 ................. 23
– Self-winding chronograph with date
Calibres: 1151, 1152, 1164, 3301, 3303, 3304, 3313, 3606,
3888, 3890 .............................. 25
– Self-winding split-seconds chronograph
Calibres: 3600, 3612 .............................. 27
– Perpetual calendar
Calibre: 1680 .................................. 29
– Self-winding GMT & GMT Chronograph
Calibres: 1128, 2628, 3603 .......................... 32
Precision tolerances
– Mechanical watches/Quartz watches .................... 35
Specifi c sections/general information
– Helium escape valve .............................. 37
– Measurement scales .............................. 39
– Foldover clasps .................................. 41
– Ploprof bezel and crown ............................ 43
– Pictograms .................................... 44
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Contents
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OMEGA_V12-I.indb 2-Abs1:3OMEGA_V12-I.indb 2-Abs1:3 28/12/09 18:30:1928/12/09 18:30:19

Omega 2503.80.00 Specifications

General

Brand	Omega
Model	2503.80.00
Category	Watch
Movement	Automatic
Case Material	Stainless Steel
Dial Color	Blue
Bezel Material	Stainless Steel
Bracelet Material	Stainless Steel
Crystal	Sapphire
Crystal Features	Anti-reflective treatment on both sides
Water Resistance (Alternative)	15 bar
Water Resistance	150 m

Summary

Introduction

Special recommendations

General care and handling advice for OMEGA watches, including magnetic fields and shocks.

Environmental protection

Guidelines for proper disposal and recycling of Quartz watches.

Leather straps

Care instructions to preserve the condition of leather watch straps.

Anti-reflective treatment

Information about the anti-reflective coating and its wear.

Screw-down crown

How to use the screw-down crown to maintain water resistance.

OMEGA International Warranty

Details the warranty period and coverage for OMEGA watches.

Operating instructions

Quartz watch

Instructions for Calibres 1376, 1456 with 2 crown positions.

Quartz chronograph

Instructions for Calibre 1270, including chronograph functions.

Manual & Self-winding watch

Instructions for Calibres 8500, 8501, including winding and date setting.

Manual-winding chronograph

Instructions for Calibres 1861, 1863, 3201, 1866, 3604, 3200, 3203.

Self-winding chronograph

Instructions for Calibres 3202, 3205, 3220, 3601, 3602.

Self-winding chronograph with date

Instructions for Calibres 1151, 3606, 1152, 1164, 3301, 3303, 3313.

Self-winding split-seconds chronograph

Instructions for Calibres 3600 and 3612.

Perpetual calendar

Instructions for Calibre 1680, including crown positions and time setting.

Self-winding GMT & GMT Chronograph

Instructions for Calibres 1128, 2628, 3603, including time zone setting.

Precision tolerances

Mechanical watches/Quartz watches

Accuracy standards and tolerances for mechanical and quartz movements.

Mechanical watches

Details on COSC certification and chronometer testing for mechanical movements.

Quartz watches

Explains precision standards for standard and thermocompensated quartz movements.

Specific sections/general information

Helium escape valve

Explains the purpose and function of the helium escape valve.

Measurement scales

Using the tachymetric and pulsimetric scales for measurements.

Foldover clasps

Instructions for snap-fastening foldover clasps.

Ploprof bezel and crown

Using the rotating bezel, crown, and fine length adjuster.

Pictograms

Lists and explains various pictograms used in the manual.