A.S. & F. ("Armand Schwob & Frère"), La Chaux de Fonds, "Mystérieuse", Breveté S.G.D.G., Movement No. 2235, Case No. 1633, 54 mm, 86 g, circa 1885

A gentleman's rare silver pocket watch with hands moved by rotating glass discs
Case: silver, glazed on both sides. Dial: rotating glass discs with applied spade hands. Movm.: crescent-shaped movement, cylinder escapement, ring balance.