A 20th Century Swiss lever in a gold half hunter case. Nickelled split three quarter plate keyless movement with going barrel. Plain cock with polished steel micrometer regulator, compensation balance with blue steel overcoil hairspring. Club foot lever escapement, screwed in jewelling. White enamel dial with subsidiary seconds, Roman numerals, blue steel half hunter hands. Plain 9 carat half hunter case with blue enamel chapter ring, maker's mark “B.B” in an oval.