rolexのインスタグラム(rolex) - 2月16日 01時30分

The Rolex-developed Chronergy escapement is an optimized version of the Swiss lever escapement – the standard for mechanical watches. The escapement’s efficiency is enhanced by 15 per cent through innovative design and components made of nickel-phosphorus, which contribute to the calibre 3235’s power reserve of approximately 70 hours.
#Rolex #Datejust #Perpetual

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