Periodic inspection and
adjustment by disassembly and cleaning (overhaul) is recommended
approximately once every 2 to 3 years in order to maintain optimal
performance of the watch for a long time. The power transmission gear of
the movement of this watch constantly receives force.
To ensure that this
mechanism works properly all the time, washing parts, changing oil,
adjusting accuracy, checking functions and replacing consumable parts on
a regular basis are important. The first overhaul after the purchase of
your watch is particularly important for preserving long-time use of
According to use
conditions, the oil retaining condition of your watch mechanical parts
may deteriorate, abrasion of the parts due to contamination of oil may
advance or delay the time significantly, or the watch itself may stop.
As the parts such as gasket may deteriorate, water-resistant performance
may be impaired due to intrusion of perspiration and moisture.
Please note that some brand’s warranty does not apply on overhaul service.