Longines Comet Mystery Dial Watch Blue Dial Other Electric Watches This example has a very

This example has a very nice Original Finish Dial

marked 10K Gold Filled

The bi-directional rotating bezel works properly as well

Pictured in Rene Rondeau's book "The Watch Of The Future" on page 98

Longines Comet Mystery Dial Watch Blue Dial Other Electric Watches This example has a veryOffered is this unique vintage Fully serviced Longines Comet "Mystery Dial" watch that winds, sets, and runs great. It keeps excellent time. The case, dial, and crystal are all in superb condition on this example. The arrow rotates on a disk and marks the hours on the inner black ring, and the dot on the outer blue disk marks the minutes on the far outer black ring. It is a really interesting design that is sure to turn heads. If you are looking for a