This vintage Corum Coin Watch $20 is an iconic and refined timepiece, featuring a genuine U.S. Double Eagle 20-dollar gold coin carefully split to house the movement. The case measures approximately 35 mm in diameter, offering a slim and elegant profile on the wrist. The dial retains the original coin surface in a rich yellow gold tone, with minimalist hands ensuring excellent legibility while preserving the coin’s intricate details. It is powered by the high-grade automatic Frederic Piguet caliber 71, renowned for its ultra-thin construction and precision. Completed with its original Corum buckle, this watch is a perfect blend of horological craftsmanship and numismatic artistry.