rolexのインスタグラム(rolex) - 2月2日 01時30分

The true heart of a Rolex mechanical movement, the oscillator, is composed of a blue Parachrom hairspring patented by Rolex, a balance wheel and a balance staff. Barely one centimetre in diameter, the oscillator is known as the “guardian of time”, as it determines the accuracy of the watch.
#Rolex

[BIHAKUEN]UVシールド(UVShield)

>> 飲む日焼け止め！「UVシールド」を購入する