A cult watch with 47mm diameter. Developed to pilot\'s specifications to fulfil the need for all typical flight parameters. Comfortable and highly exact Swiss micro-mechanics in perfect symbiosis with the classical slide-rule function and providing exceptionally good legibility. This modern classic offers 3 time zones, a countdown function and country specific conversion scales, slide-rule function, 3 time zones. Inner bezel. The caseback reveals a temperature scale in Celsius and Fahrenheit as well as the individual watch identity number. A Swiss watchmaker was the first to discover the relationship of numbers and the way to control them as logarithms. Jost Bürgi, born in 1552 in the Swiss canton St. Gallen, laid the foundations of the arithmetic system for the slide-rule which became a must and the basic tool for every engineer or architect.
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80 ITEMS
