Sinn Spezialuhren SW200 TESTAF

The SW200 TESTAF is an automatic movement manufactured by Sinn Spezialuhren, based on the Sellita SW200-1 and modified to meet TESTAF (Technischer Standard Flieger) certification requirements. It offers anti-magnetic protection to 80,000 A/m, temperature resistance from -45°C to +80°C, and pressure resistance to 25 bar overpressure. The movement powers the 856 and 857 TESTAF models and remains in production.