モーリスラクロアのインスタグラム(mauricelacroix) - 9月17日 08時49分

Watch101: What is a hairspring? A spiral torsion spring that makes the balance wheel swing back and forth. One of the very few components that Maurice Lacroix outsources to specialized suppliers. #mauricelacroix #hairspring #balance #horology #manufacture

[BIHAKUEN]UVシールド(UVShield)

>> 飲む日焼け止め！「UVシールド」を購入する