Vtg Seth Thomas 8-Day Woodbury Westminster Strike&Chime Mantle Clock #1302

Nice vintage clock. Not sure how old it is. I do not have key however when I shut the front glass it started going. Measures 17 3/4" at the base and stands 8" tall. Approx 4 1/2" deep (including wood on door in back. Has a deep nick on the side which should have been captured in pic. Movement says Made in Germany for Seth Thomas Division General Time Corp Thomaston, Conn USA. A401-003 (or 903). Two (2) Jewels 7603. Not sure if it needs wound to chime. I can hear something Dont know if it has enough in it to go full hour.