Wrist watch is a kind of precision instrument, with hundreds of parts and sizes inside, and its unique complex structure and use environment make its maintenance particularly important. In addition to enjoying the beauty of watches, we also need to learn how to maintain them. Taking Audemars Piguet Royal-Oak replica watches with Swiss movements for example, let us learn some knowledge on maintenance. Why do Audemars Piguet fake watches with blue dials need maintenance? The main reason is that there is a mechanical part. Through a long time, it will appear some errors. And it will affect its accurate and operation of movement. How long is the best maintenance for senior Audemars…