Automatic Prisma Open Heart Prisma Automatic Open Heart – Display Model This Prisma Automatic Open Heart watch has only been used as a display or try-on piece in a jewelry store. The condition is nice, with minimal signs of handling. The watch features a reliable automatic movement that runs smoothly and keeps time well. The open-heart design gives a clear view of the movement, adding a refined mechanical touch to its appearance. Prisma is known for its solid build quality and timeless design, combining precision with an understated style that suits both formal and casual occasions. This is a great opportunity to own a mechanical Prisma watch that looks and performs like new, at a more attractive price than retail. The watch is ready to be enjoyed or added to a collection.