>Have you checked high precision quartz watch mouvements? Longines, a Swiss >watch manufacturer, uses a quartz mouvement called "Calibre L546" with +/- 10 >seconds per year accuracy. It runs for 10 years (!) on a watch-size Lithium >battery. > > > Apparently also Tissot has something similar. My Tissot wrist watch is off about only a few seconds when I have to reset it two times per year at the start/end of the daylight saving period. Or maybe I am just lucky.
73 Alberto I2PHD _______________________________________________ time-nuts mailing list [email protected] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
