AP is one of the big three for a reason. There isn't a complication the company can't do. So it's little surprise that calendar watches have become one of the signatures of the Royal Oak over the
link years. The ne plus ultra of Royal Oak Calendar watches is the perpetual but this simpler version with day date and moonphase gets you a lot of the way
link there without the higher cost associated with the most
link complex of calendar mechanisms.
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