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How to use a Tachymeter in watches

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出版日期 / “奢侈品, 奢侈品” / 语言—English / 2页
A tachymeter scale is a function which is usually inscribed around the rim of a dial or the bezel. It is used to compute speed on the basis of time travelled or can measure distance based on speed. A tachymeter is also used to calculate the number of tasks you can complete in a given time. The tachymeter scale on a watch generally starts at 500-700 and decreases as time elapses 更多
A tachymeter scale is a function which is usually inscribed around the rim of a dial or the bezel. It is used to compute speed on the basis of time travelled or can measure distance based on speed. A tachymeter is also used to calculate the number of tasks you can complete in a given time. The tachymeter scale on a watch generally starts at 500-700 and decreases as time elapses 更多