Steel screw-down watch crown with O-ring diameter 5.00 mm GOLDEN with treatment IPG/PVD which guarantees color retention like a 20 micron plating; It is supplied with a steel tube with O-ring for a 2.50 mm case hole for a 0.9 mm M09 rod diameter.
Steel screw-down watch crown with O-ring diameter 5.00 mm GOLDEN with treatment IPG/PVD which guarantees color retention like a 20 micron plating; It is supplied with a steel tube with O-ring for a 2.50 mm case hole for a 0.9 mm M09 rod diameter.