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eta 955.112 User Manual

eta 955.112
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COMMUNICATION TECHNIQUE
TECHNISCHE MITTEILUNG
TECHNICAL COMMUNICATION
ETA SA Manufacture Horlogère Suisse
SC Product Communication | Bahnhofstrasse 9 | 2540 Grenchen | Switzerland
Phone +41 (0)32 655 71 11 | Fax +41 (0)32 655 71 74 | contact@eta.ch | www.eta.ch
11 ½´´´ ETA 955.112
CT 955112 FDE 491181 07 14.01.2013
11 ½´´´ Ø 25,60 mm
Hauteur sur mouvement Höhe auf Werk Movement height 2,50 mm
Hauteur sur pile Höhe auf Batterie Height on battery 2,57 mm
Nombre de rubis Anzahl Rubine Number of jewels 7
Fréquence Frequenz Frequency 32’768 Hz
Les travaux de réparation et de révision ne doivent être effectués que par du personnel dûment formé.
Reparatur- und Revisionsarbeiten dürfen nur von ausgebildetem Fachpersonal ausgeführt werden.
The repair and reconditioning work must only be performed by properly trained personnel.

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eta 955.112 Specifications

General IconGeneral
Caliber955.112
TypeQuartz
DisplayAnalog
FunctionsHours, minutes, seconds, date
Height2.5 mm
Diameter25.6 mm

Summary

General Information and Safety Precautions

Essential Preparations and Safety

Work must only be performed by properly trained personnel; eye protection is mandatory.

Liability and Environmental Compliance

ETA disclaims liability; observe legal provisions for waste handling and hazardous substances.

Understanding Symbols

Explanation of caution and information symbols used in the document.

List of Components

Basic Movement Assembly

Basic Movement Assembly Details

Parts listed in order for assembling the basic movement.

Lubrication and Torque Specifications

Lubrication Guide

Guide for applying specific lubricants to watch movement components.

Minimum Loosening Torque

Specifies the minimum torque required for unscrewing components.

Handsetting Mechanism Assembly

Handsetting Mechanism Assembly Details

Parts listed in order for assembling the handsetting mechanism.

Handsetting Lubrication

Specific lubrication instructions for the handsetting mechanism.

Base and Electronic Module Assembly

Base and Electronic Module Assembly Details

Parts listed in order for assembling the base and electronic module.

Component Fitting Note

Note on fitting component 4412 based on clearance between movement and case back.

Electrical Tests

Battery Voltage and IC Output Tests

Tests battery voltage and integrated circuit output pulses.

Working Voltage Limit and Consumption Tests

Measures movement operation at reduced voltage and current consumption.

Stop Lever and Motor Coil Resistance Tests

Tests stop lever function and measures motor coil resistance.

Hand Fitting Specifications

Hand Fitting Heights and Dimensions

Specifications for different hand fitting heights and their corresponding dimensions.

Hand Fitting Balance and Mass

Specifications for hand balance, unbalance, and mass.

Document Modification History

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