Year In Review: The #1 Story Of ‘24: The Patek Philippe Ref. 2497, Part 1: Patek’s First Serially Produced Center Seconds Perpetual Calendar In part one, we cover everything there is to know about the ref. 2497, its dials, cases, and general design history.Continue reading ‘Year In Review: The #1 Story Of ‘24: The Patek Philippe Ref. 2497, Part 1: Patek’s First Serially Produced Center Seconds Perpetual Calendar’ Posted In: Uncategorized