f6d0334d_s___Service___IWC_Schaffhausen__Question
[Categories] Service & Repair [Answer] In everyday use, a wristwatch is subjected to many different strains and stresses, such as vibrations, impacts, dust, water, UV radiation, perspiration or fluctuations in temperature. We should not omit to mention the mechanical strain placed on a movement designed to keep the time with absolute precision for 24 hours every single day, and for periods of many years. In order to combat the wear-and-tear on certain moving parts as well as the natural ageing of oils and lubricants, we recommend owners to have an interim service carried out approximately every two years and a full service approximately every five. [Question] 
How often should I take my IWC watch in for servicing?
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