eta 251.264 PWD User Manual

COMMUNICATION TECHNIQUE
TECHNISCHE MITTEILUNG
TECHNICAL COMMUNICATION
ETA SA Manufacture Horlogère Suisse
SC Marketing & 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
13 ¼´´´ ETA 251.264 PWD
CT 251264 FDE 625081 02 16.08.2016
13 ¼´´´ Ø 30,60 mm
Hauteur sur mouvement Höhe auf Werk Movement height 5,00 mm
Hauteur sur pile Höhe auf Batterie Height on battery 4,60 mm
Nombre de rubis Anzahl Rubine Number of jewels 27
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 251.264 PWD Specifications

General

Brand	eta
Model	251.264 PWD
Category	Watch
Language	English

Summary

General Information and Safety

Pre-Work Study and Eye Protection

User guidance to study the technical communication and wear eye protection before work.

Environmental Protection Compliance

Requirements for waste handling, disposal, and preventing water pollution.

Explanation of Warning Symbols

Clarification of symbols used, including warnings for material damage risk.

Handsetting Mechanism Assembly

Lubrication and Handling Precautions

Lubrication instructions and safety for Moebius Fixodrop product.

Electronic Module Assembly

Lubrication and Identification

Lubrication requirements and guidance on identifying electronic modules and function codes.

Calendar Mechanism Assembly

Calendar Mechanism Lubrication

Lubrication instructions for the calendar mechanism spring.

Electrical Tests and Specifications

Movement Rate and Power Checks

Information on checking instantaneous rate and battery specifications.

Battery Handling Procedures

Battery Fitting and Removal

Step-by-step guides for inserting and safely removing the battery from the movement.

Stem and Chronograph Operation

Stem Extraction and Handsetting

Procedures for removing the stem and resetting chronograph hands.