Mystérieuse Pocket Watch VINTAGE Transparent A.S.&.F. from 1900 RARE

A very nice and rare Pocket Watch VINTAGE Mystérieuse A.S.&.F. Brevete S.G.D.G. Transparent dial from 1900.
Manual movement with cylinder escapement.
Silver dial in nice condition. Diameter: 54 mm. Thick: 19 mm.
IT'S WORKING.