SJX Watches
Patek Philippe Introduces the Ref. 5470P 1/10th of a Second Chronograph
Just after the curtain fell on Watches & Wonders 2022 – on the day after the fair closed in fact – Patek Philippe unveils one of its technical highlights for the year, the 1/10th of a Second Monopusher Chronograph ref. 5470P-001. In a first for the Geneva watchmaker, the chronograph is equipped with a high-frequency balance that beats at 36,000 vibrations per hour, or 5 Hz. The high-beat movement results in a lighting seconds hand that completes one revolution around the dial every 12 seconds, allowing the chronograph to precisely record elapsed times with a resolution of 1/10ths of a second (barring user error). This lightning seconds hand runs in tandem with the regular chronograph seconds hand, resulting in an unusual sight on the dial when the chronograph is running. Initial thoughts While lightning seconds chronographs have been done before, it’s surprising to see a traditionalist brand such as Patek Philippe have a go at the complication. The function is often associated with brands with a sporty, contemporary aesthetic like TAG Heuer and Zenith. In terms of aesthetics, the ref. 5470P is another example of the brand continuing to move towards a more modern, striking style, even for otherwise classical models. But under the hood is where it shines. Despite the seemingly simple idea of tacking on an additional gear train for the 1/10th of a second hand, the movement inside underwent a deceptively complex modification. And in typical Patek Philippe fashion, the co...