THOMAS MERCER NAUTICAL CHRONOMETER IN ORIGINAL BOX: English Thomas Mercer nautical Chronometer in original glass top box, considered the world's finest. Brass metal tag at the observe with serial number 22198. Serviced in 1961 & 1974. Approx. 6.75'' h x 7.75'' l x 7.75'' w.
CONDITION: Currently not working, wear consistent with age and use.