Universal Genève Chronographe ref. 22430 its surface marked by the

its surface marked by the natural oxidation of age rather than neglect

offering perpetual calendar functionality with displays for date

the bicompax layout with its 30-minute and running seconds registers

Reference 56175ST belongs to the smaller Royal Oak family

paired with elongated baton indices and matching hands

Universal Genève Chronographe ref. 22430 its surface marked by theUniversal Genve's chronograph output in the 1950s represents some of the finest two register work produced by any Swiss manufacture of the era and the Uni Compax is its most enduring expression. The name itself was Universal's commercial designation for its bicompax chronograph line, a family that ran through several decades and case configurations, always anchored by the same clear, functional dial philosophy. Reference 22430 wears the Spillmann case