Rare ''OKUSAI PRO SPACE'' Chronograph watch with MIYOTA OS10 movement New Battery installed on 12-3-2022 From the Research i found on google, this Movement is the same movement used in the CITIZEN CHRONOGRAPH watchs and are a very good movement, there is a factory in Japan that makes them This is Not a watch you can find everyday, This is the first one i have ever owned or ever seen I purchased a large collection of over 15,000 watches and this was in that collection I can not find this watch in Sold or listed and can not find it in any search Nice watch with a few scratches to the Saphire Crystal and some to the back case as shown All functions work as they should and set very easy The case measures 37mm wide and 11mm thick, It is 50 meters Water Resistant New Band and New battery and ready to ware 30 DAY MONEY BACK GUARANTEE