VINTAGE CLOCK MOVEMENT & CASE WELBY DIVISION ELGIN NATIONAL WATCH 37CM/112.5
F41 is for my reference.
Movement is untested and being sold as is for parts or repair. There are no bolts to hold the case on but stays on as is. Marked Welby Division Elgin national tion watch co. Marked 37cm/112.5. See pics comes as seen in pics. Any questions just ask.
Measures 4-3/8" across and 1-5/8" deep.