A brass ship’s bulkhead timepiece, Mercer, St. Albans, mid 20th century The frosted brass eight-day single train movement with platform lever escapement and stamped with MERCER trademark beside serial number 009596 to backplate, the 9 inch circular brass Roman numeral dial with S/F escapement regulation slot over repeat MERCER, ST. ALBANS. ENGLAND. trademark to centre and black spade hands, the cylindrical case with heavy hinged cast brass bevel-glazed bezel incorporating silvered fillet to interior and drilled flange for wall mounting to rear, 29cm (11.5ins) diameter.