Board clocks: Onboard meters and stopmastersCHRONOSWISS. Boardmeter reference no. CH 6701, Stopmaster reference no. CH 9501. Massive aluminum case. ø 5.5 cm. Hand-wound movements. Anchor escapements. Bordmeter caliber C 671, base ETA-Unitas 6497-1. with 18 jewels. Shock protection, stoppable large second. Power duration 44 hours. Stopmaster caliber C 951, Baisis Minerva 19/56. 7 jewels. Duration 28 hours. Five-second stopwatch with 60-minute and 12-hour counters. Anti-reflective mineral crystal, black dials, striking Super-Lumi-Nova luminous numerals, luminous hands. Rotating bezels with memory arrow. Mounted on a plate. Warranty certificate without entry, instruction manual. Original metal box with drop latch Functioning in short time test. The watch comes from an extensive collection estate. The watches have never or hardly been worn, they have not been moved over a long period of time. For function and accuracy we can not guarantee * Partner auction Bergmann. Provenance : estate of a private collection.