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The Master of G is a line of G-Shock watches produced by Japanese electronics company Casio designed for usage in harsh environments. Many showcase new technology that Casio would eventually introduce into the G-Shock line of watches, such as an altimeter , digital compass and the Tough Solar feature.
Many Edifice watches utilise Tough Solar, Casio's brand name for solar powered batteries. More advanced models are "Waveceptors" which can calibrate themselves with atomic clocks via radio waves. Some models have Bluetooth connectivity which enable them to be monitored via a smart phone and to share chronograph data.
On 12 December 2017, the G-Shock earned the Guinness World Record for the heaviest vehicle to drive over a watch. The officials from Guinness World Record drove a 24.97-tonne truck over the Casio G-Shock DW5600E-1. The G-Shock is the first watch by any company being able to withstand the challenge. [61]
[1] Some of the early solar watches of the 1970s had innovative and unique designs to accommodate the array of photovoltaic solar cells needed to power them (Synchronar, Nepro, Sicura and some models by Cristalonic, Alba, Rhythm, Seiko and Citizen). In 1996, Citizen started to sell analog light-powered watches under the Eco-Drive name. [2]
Shock resistant is a common mark stamped on the back of wrist watches to indicate how well a watch copes with mechanical shocks. In a mechanical watch , it indicates that the delicate pivots that hold the balance wheel are mounted in a spring suspension system intended to protect them from damage if the watch is dropped.
The f/2.4 primary mirror is a 1.7-meter off-axis section of a 5.3-meter diameter, f/0.73 concave parabola. It was cast from Zerodur by Schott and polished at the Richard F. Caris Mirror Laboratory Archived 2019-04-19 at the Wayback Machine of the University of Arizona .
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