by Jon Edwards

Freesprung

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A Nivarox Branded Observatory Competition Peseux 260 From the 1950s

Today Nivarox operates largely behind the scenes, supplying the beating heart inside the vast majority of spring-powered Swiss timepieces, from Swatch to Patek Philippe. The low escape wheel in this caliber allowed for a larger balance wheel & thus better rate stability. Kari Voutilainen later employed the Peseux 260 in his series of Observatoire timepieces, which were awarded certificates of chronometry from Besançon Observatory.

Image from ebay listing

Danièla Dufour’s Simplicity