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...]] which vibrated at 8,192 Hz, driven by a battery-powered electronic oscillator. Since the 1980s, more quartz watches than mechanical ones have been market

...nds per month) vibrated at 8192 times per second. The lenticular [[crystal oscillator]] in the calibre 1500, 1510, 1511 and 1516 was developed in the UK and used The Calibre 1510 was most famously produced with an aventurine crystal dial, nicknamed the ‘Stardust’. The watch came in a number of variation

...at utilized a 360-Herz tuning fork, powered by a one-transistor electronic oscillator, to drive the timekeeping functions rather than a traditional balance wheel ...difference between the two variants is dial color. From an official Bulova crystal catalog the existence of a letter designation (Bulova Style Name) for an As

The oscillator on a mechanical watch that regulates the movement so it runs in a series of ...ther decorative or movable. If the latter, it may be inside or outside the crystal and rotate to act as a timer, tachymeter, slide rule, or other function.