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Tachymeter scale on a Citizen watch bezel. A tachymeter (pronounced / t æ ˈ k ɪ m ə t ər /) is a scale sometimes inscribed around the rim of an analog watch with a chronograph.It can be used to conveniently compute the frequency in inverse-hours of an event of a known second-defined period, such as speed (distance over hours) based on travel time (distance over speed), or measure distance ...
The term chronograph comes from the Greek χρονογράφος (khronográphos 'time recording'), from χρόνος (khrónos 'time') and γράφω (gráphō 'to write'). '). Early versions of the chronograph are the only ones that actually used any "writing": marking the dial with a small pen attached to the index so that the length of the pen mark would indicate how much time had
Tachymeter may refer to: Tachymeter (survey) or tacheometer, a type of theodolite used for rapid measurements of distance Tachymeter (watch) , a scale sometimes inscribed around the rim of an analogue watch
Each Rolex Daytona watch has a unique serial number, which is typically a 4-8 digit number engraved between the lugs on the 6 o'clock side of the case, behind the bracelet. The serial number can provide valuable information about the watch, including its production date.
Radar speed gun, a Doppler radar device, using the Doppler effect for indirect measurement of velocity. Speedometer; Tachometer (speed of rotation) Tachymeter; Variometer (rate of climb or descent) Velocimetry (measurement of fluid velocity) For the ranges of speed-values see: Orders of magnitude (speed)
During the period in which The Timex Group fielded the TX Watch Company, it had expanded to include the design and manufacture of a range of watches (at the time: Vincent Berard, Versace, Versus, Valentino, Salvatore Ferragamo, Guess, Helix, Nautica, Mark Ecko, Avirex, Timex, TX, Acqua, and Carriage), [13] and had expressed confidence in TX's ...
Tachymeter (watch) Trench watch; W. Watch strap; Watch timing machine; Watchcase; List of watch manufacturers; Water Resistant mark; Media in category "Watches"
By synchronizing daily with the signals, the Wave Ceptor watches achieve high accuracy, using a quartz crystal to keep time in the interim. Some radio watches, including some Wave Ceptors, are solar-powered, supported by a rechargeable battery. [1] The watch displays may be fully digital, analog, or analog-digital.