H. Moser & Cie Endeavour Perpetual Calendar, Operating Instructions Manual

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Cleaning and service
Your ENDEAVOUR PERPETUAL CALENDAR is a true
mechanical watch, with each of its individual components
manufactured from the finest materials. Wear in the moving
parts of mechanical watches is perfectly normal, but it can
lead to a slight residue building up in the movement. This
residue can combine with the oil in the bearings, which
may reduce the service life of individual parts. We therefore
recommend that you take your watch to an authorised
service point every five years for cleaning and service,
where your watch and its movement will be thoroughly
cleaned, recalibrated and lubricated.
January 2017
Version 1.0
Technical specifications subject to change
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