September 1983 Seiko 7548
Pressure test and battery change conducted 8/2026
Passed 7 bar dry test and -0.75 vacuum test
Watch movement is spotless and in fine working order. Case threads and crown threads work as they should.
September 1983 Seiko 7548
Pressure test and battery change conducted 8/2026
Passed 7 bar dry test and -0.75 vacuum test
Watch movement is spotless and in fine working order. Case threads and crown threads work as they should.