Eight Day Black Dial Deck Watch

A mid 20^th Century eight day Swiss lever with black dial in a nickle open face case.  Gilt split three quarter plate keyless movement with going barrel. Plain cock with polished steel regulator, compensation balance with blue steel overcoil hairspring.  Club foot lever escapement. Black dial marked "8 Day Non-Luminous Mark V - BG No. 3197", subsidiary seconds, Arabic numerals, steel hands. Plain open face nickle case, clip on back marked "A" above an arrow, plain hinged cuvette.