Gruen 50th Anniversary
1924 limited run of 600 watches (50years x 12 months) plate and bridges made of solid gold, hand carved.
This was one of the most extravagant and expensive watches that had ever been made.The plates, bridges and wheels were made of 12k gold,
with ornate foliage patterns engraved into their surfaces. '
. Every screw fits into a steel sleeve in the solid 12k gold plates. marked 21 jewels and 2 diamonds.
also see my you tube on the watch.