15J with translucent plate jewels and 3-screw real jewel setting, sprung under hairspring with exposed stud, applied index, expansion balance. Both movement and dial signed James Russell & Co., Hartford, Conn. Number 687 on barrel bridge; #20687 on pillar plate along with sub-assembly number 16. Note the washed out gilding (Swiss like). Note the unusual arabic numerals on dial. (Am. Watch Co. OF case - original ?)