Chelsea Harbor Master Wall Clock Consign Now DeptCollections, Maritime ArtsSizeDial 8 in. Chelsea Harbor Master Wall Clock, brass case, 8 inch dial, manufactured by the Chelsea Clock Co. Boston, USA and retailed by the Monab Company, Bridgeport, Connecticut, serial # 121798 Dial 8 in. Provenance: Property of a Lady, Nantucket Please note that this auction has ended. Click here for an overview of this auction.