SEIKO Seiko Chromatic Auto Tuner ST-392 Operation confirmed. It is clean with no noticeable scratches or stains. The battery compartment cover on the back has been lost, so it is being sold at a low price. You may use masking tape or painter's tape to secure it. As a bonus, a new battery used for operation confirmation is also included, so you can use it immediately. It is being sold at a low price, so please take advantage of this opportunity if you need it! No price reduction.