PRECISION ENGINEERING
NXT|May 2024
A masterpiece of horological innovation that redefines the perpetual calendar mechanism
SADAT OSMAN
PRECISION ENGINEERING

The 1815 RATTRAPANTE PERPETUAL CALENDAR is equipped with the calibre L101.1, designed to flawlessly transition from February 28 to February 29, 2024. This intricate mechanism, traditionally relying on a programme wheel with 48 notches, demonstrates the technical prowess needed to synchronise with the Gregorian calendar.

This story is from the May 2024 edition of NXT.

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This story is from the May 2024 edition of NXT.

Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.