ブレモンのインスタグラム(bremontwatches) - 4月7日 03時18分

There are 86,400 seconds in a day. Each Bremont timepiece is regulated in house to ensure that they are within -4 and +6 tolerance of this, making them 99.998% accurate. ⠀
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#BritishEngineering #Horology #Watchmaking #Mechanicalwatch ⠀

[BIHAKUEN]UVシールド(UVShield)

mrjcullen Why is it a non symmetrical tolerance? -4 to +6

>> 飲む日焼け止め！「UVシールド」を購入する