Three pendant wind and set watches including serial #23945843 dating to 1921, 17 jewels, grade 345, model 3, class 114, serial #27637927 dating to 1925, 7 jewels, grade 303, model 3, class 114, and serial #18273637 dating to 1915, 7 jewels, grade 291, model 7, class 110 having a railroad theme back