Tag: quartz seconds hand versus

  • Hands-On Watch: Arnold & Son Constant Force Tourbillon

    Hands-On Watch: Arnold & Son Constant Force Tourbillon

    Arnold & Sons have created a patented constant-force flywheel is composed of two main drivers in the top of the dial visible supply. Constant means for amplitude equalization watch (hence colorimetry) no matter how much remaining power reserve barrel (s). Like a constant force device, a tourbillon aims to improve chronometry (timekeeping/accuracy), although it does…