Marking are: Washington Watch Co, Senate, 17 Jewel, made by Illinois Watch Co. with serial # 1807358, ca 1905. No hairline, LS, SW, pretty, DMK. Gold plate case in great shape with a hard to make out bird on back singing. Movements size18, 54mm over all, 17mm thick. 
 Item #PWW22501  -  Price $225.00