Antique Omega "800" Silver Large Pocket Watch; serial number 3426087 to case and inside cover (also engraved Omega Grand Prix Paris 1900"). Appears to be working but we cannot guarantee. Light wear to cover. Diameter 2 inches (5.3 cm.). Total weight: 91.2 Grams. W L Lawson, 40 Lord Street, Liverpool Silver-Cased Key-Wind Watch with key, the case elaborately engraved. Appears to be working, but we cannot guarantee. Diameter 1 1/2 inches (4 cm.). Total weight: 38.2 Grams.