No Image Lot 403 A WW2 Hamilton G.C.T. Navigators Pocket Watch. Top winder. Black dial. In working order. 51mm 403A WW2 Hamilton G.C.T. Navigators Pocket Watch. Top winder. Black dial. In working order. 51mm Cadmore Auctions Ltd A WW2 Hamilton G.C.T. Navigators Pocket Watch. Top winder. Black dial. In working order. 51mm diameter. Ref: 17028. Add to watchlist Live