As far as I can tell, the SPB153 and SBDC111 are the same watch
By: cshimokita : July 31st, 2020-23:20
Possibly JP vs. international naming convention (?). It looks like they have the same specs: Seiko caliber 6R35 with 70-hour power reserve. 42.7mm, the crystal is slightly domed and features anti-reflective coating on the, screw-down crown and stainless s...