Authentic Eternamatic watches are truly unique and special types of watches compared to the other watches on the market. These rare Swiss-made watches are hard to find in decent condition and proper working order, so review the seller's listing carefully and choose top-rated eBay sellers whenever possible. Although these watches are only available in a limited amount of styles, their individuality makes them a fashion statement on their own. They also make lovely collector's items depending on how new or used the condition of the piece is. Check for sellers offering free postage as you shop for your Etermamatic watch.