モーリスラクロアのインスタグラム(mauricelacroix) - 9月8日 01時27分

Watch101: What is a balance wheel? Like a pendulum in a grandfather clock, the BW swings back and forth and thus accurately divides time in increments advancing the gears in the watch movement one “tick” at a time. #mauricelacroix #watch101 #manufacture #balancewheel #balance

[BIHAKUEN]UVシールド(UVShield)

>> 飲む日焼け止め！「UVシールド」を購入する