As we all know, Audemars Piguet is a brand that has always adhered to the essence of the perpetual calendar. In the early pocket watch era, the perpetual calendar was the most important product of Audemars Piguet. The first batch of watchmaking history made in the 1950s The leap year displays the perpetual calendar, which really brings the perpetual calendar to the field of practical functions. In contrast, in the contemporary era where perpetual calendar technology is very popular, the identity and qualifications of perpetual calendar inheritance and manufacturing are particularly important. The Royal Oak series ultra-thin perpetual calendar watch RD # 2 is not very different from other perpetual years in appearance, but its characteristics require our careful understanding. The two numbers that must be said this time are ‘2.89’ and ‘6.3’. The thickness of this perpetual calendar movement and basic drive module is only 2.89MM, and the thickness of the case is only 6.3MM. Such numbers are enough to witness that it is a record-setting perpetual calendar. I believe that each Audemars Piguet calendar is a masterpiece of the same period.

Audemars Piguet Royal Oak Series Ultrathin Perpetual Calendar RD # 2
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