Audemars Piguet Royal Oak Revers Pin Watch in 18K White Gold Box and Certificate of Origin Set "Jewelry Collection"Yes, what you're seeing here is an actual functioning timepiece, but not your typical wristwatch. This is a 'pin watch,' designed to be worn on a blazer lapel or shirt! How cool is that? These unique pieces were part of a limited release in the 1990s by Audemars Piguet as part of their 'Jewelry Collection.' Crafted from 18K white gold, the watch features 16 diamonds around the signature Oak bezel, with a white 'petite tapisserie' dial and a tiny

- Cartier Tortue

This 1675 is a beautiful example of a gilt dial with an extra special twist

The IWC calibre 8541ES automatic movement has been fully checked and regulated by our watchmaker

- Calibre 2225 movement

multi coloured dial that has a blue tachymeter scale

The caseback has a fascinating engraving: C

- Excelsior Park Monte Carlo Chronograph

- Serial D595xx dating to early 1990s

The watch is unsigned

There is something beguilingly beautiful about cloisonné enamel dials and they are highly sought after by collectors of important watches

The automatic movement

The bezel insert that has stayed a rich black colour