John Chris
·The information here is taken from the less felicitously-translated chapter of Roessler'd book by H. Neumuellers, entitled "Observatory Chronometers". All errors are the fault of the translator!
Zenith's cal. 26x range was produced from 1920 to 1968 and was developed from an 8-day car clock with bezel winding and setting. This series was the mainstay of Zenith's reputation for observatory accuracy for 40 years.
Illustrated is the cal. 260 version, sold as a marine chronometer, gimbal-mounted in a wooden box. Like its predecessor, it is wound and set via the bezel. The gimbals, of course, kept it horizontal whatever the ship might be doing. I have not photographed the movement (#32392), but will have it photographed when I have it serviced. Presently, it is keeping good time.
Also illustrated is the timing certificate from 1964 and the original instructions in Spanish for the Zenith 'Cronometro Marino'. I found it in Madrid.
Also produced were the cal. 261 (observatory version for competition - also gimbal-mounted in a wooden box) and cal. 262 (shop-window clock for watchmakers, wound and set from the back).
Zenith's cal. 26x range was produced from 1920 to 1968 and was developed from an 8-day car clock with bezel winding and setting. This series was the mainstay of Zenith's reputation for observatory accuracy for 40 years.
Illustrated is the cal. 260 version, sold as a marine chronometer, gimbal-mounted in a wooden box. Like its predecessor, it is wound and set via the bezel. The gimbals, of course, kept it horizontal whatever the ship might be doing. I have not photographed the movement (#32392), but will have it photographed when I have it serviced. Presently, it is keeping good time.
Also illustrated is the timing certificate from 1964 and the original instructions in Spanish for the Zenith 'Cronometro Marino'. I found it in Madrid.
Also produced were the cal. 261 (observatory version for competition - also gimbal-mounted in a wooden box) and cal. 262 (shop-window clock for watchmakers, wound and set from the back).