Project · ref 100041
Seiko 6106-5410 "DX"
Seiko · 6106-5410 · 1969-12
What I know is wrong with it
The crystal is cracked and has to be replaced.
No watch here has been pressure-tested. A period WATERPROOF or WATER RESISTANT stamp says nothing about the seals today, so treat every watch on this site as not water resistant.