Probably the most important thing to consider in any vintage Doxa SUB is the condition of the bezel. Worse still would be if the sailing ship logo or Synchron logo was almost polished away. Can you still see the serial numbers on the back. It is a hunting Case pocket watch movement in an open face case.ĭetermine the Age of your Vintage Pocket Watch How to Use our Vintage Watch Serial Number & Date Lookup Tables Instructions for using our. A Sidewinder Pocket Watch It has no cover over the face of the Pocket Watch.