A 20th Century Swiss lever in a gold half hunter case. Nickelled split three quarter plate 15 jewel keyless movement with going barrel. Plain cock with polished steel regulator, uncut bimetallic balance with spiral hairspring. Club foot lever escapement. 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 “BB” in an oval.