This is an unfinished but
original Omega titanium case for:
OMEGA Seamaster Diver 300M
Master Chronometer Watch – 007 Edition
Model number: 210.90.42.20.01.001
Ref/SKU: seamaster-21090422001001
42mm
Co-Axial Master Chronometer 8806.
May fit other models of this line.
This is an empty case
without glass or back cover.
This item comes from a parts
dealer in Switzerland.
Original but unmarked.
I have 4 pieces available. Sold individually.
I still have two matching helium valves available.
Offered separately.