ETA SA 2872

The ETA 2872 is an automatic movement introduced in 1970, produced in Switzerland. It operates at 28,800 vph (4 Hz) with a ball bearing rotor and Incabloc shock protection. The movement features a date complication with quickset function and instantaneous changeover at midnight. Jewel count varies by version: 17, 21, or 25 jewels. It is part of the ETA 2800 series family and shares dial foot positions with other ETA calibers.