Seiko Watchesのインスタグラム(seikowatchusa) - 10月31日 04時07分

I’ll never look at quartz the same way, or at least Seiko quartz. The company grows its own quartz crystals, then selects only the purest ones to age, before they are processed for use in a watch movement. Here’s the raw material. #behindtheface #quartz #watchesofinstagram #seikowatch #bts @jasonheaton #watchfam

[BIHAKUEN]UVシールド(UVShield)

>> 飲む日焼け止め！「UVシールド」を購入する