20th Century Swiss lever by IWC in an engine turned open face case. Keyless nickelled bar movement with going barrel. Plain cock with polished steel micrometer regulator, compensation balance with blue steel overcoil hairspring. Club foot lever escapement. Signed champagne dial with subsidiary seconds, applied gold Arabic numerals, gilt hands. Slim 14 carat open face case, flat engine turned back, IWC maker’s mark, plain gilt metal cuvette.