Brand New, Unused without Tags.

Genuine Baume & Mercier Gold Plated Crown With Blue Cabochon Stone Part Number MVO90005.

Water Resistant Crown.

Diameter = 3.70mm.  Thickness With Cabochon Stone = 2.40mm.  Tube = 2.80mm.  Tap = 0.90mm.

Blue Cabochon Set On the Crown.

Gasket Is Mounted On The Pipe.

Swiss Made.