Auction Highlight: A Royal Oak Perpetual Calendar With Anthracite Dial

The Audemars Piguet ref 25820 is the classic perpetual calendar of the Royal Oak line. This reference is usually seen with a dial of blue or white, so when I spotted one with an anthracite dial at the offices of Antiquroum, I took notice. 

Imported: 1. Sept 2011 (15:16), Wristwatch News, Reviews, & …

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