hi timeset
By: teacher Sun : October 19th, 2019-21:56
My judgment is based on the following information: 1、what is the difference between those & ,sub seconds,with Cal. 1007/BS . ,center seconds,with Cal. 1008/BS. the case diam of two ref. are all 35mm. 2、the , with Cal. 454(CR with &),37mm(CR should be 35m...