That looks excellent!
I'm curious how people account for thermal expansion. Sinn have that membrane thing behind the caseback (Thanks Crusader...)
If your watch doesn't have this, is it at risk unless you leave a small bubble of compressible air?
That looks excellent!
I'm curious how people account for thermal expansion. Sinn have that membrane thing behind the caseback (Thanks Crusader...)
If your watch doesn't have this, is it at risk unless you leave a small bubble of compressible air?