The 103 Ti UTC TESTAF is tested and certified to the Technical Standard for Pilot’s Watches (TESTAF) by the Aachen University of Applied Sciences. The case is made of bead-blasted titanium. It is fitted with Sinn’s Ar-Dehumidifying Technology, enhancing functional reliability and offering freedom from fogging. This version has an additional hour hand in 12h format, contrary to the standard 24h of the Valjoux 7754.
