Original wooden box, 11,5 x 9 x 6,5cm, silver case with rear verm. Military identification K.S.A XX.V. (saudi Arabian military), gold hinge, Hallmarks 1905, ca. Ø57,5mm, c. 189g, 34-minute carousel with durable central second, signed enamel dial, work and dial numbered 57310, steel hand, very good condition functional, tested 1904 and 1905 with sensational results, e.g. 1904 89.2 points at the observatory Kew. Signed tracks Bonniksen carousel watches after his invention are extremely rare and coveted collector objects! A comparable chronometer achieved a record price of CHF 27,500 in May 2026 (https://www.cortrie.de/go/b0Z).