Numa-Matic 25 Spécial, a vintage Swiss automatic watch produced by the Numa Jeannin company, a Swiss watchmaking factory founded in Fleurier in 1906. It features an automatic (self-winding) mechanical movement. The "25" on the dial refers to the jewel count of the movement. Watch is a compressor meaning that it had superb water resistance for the day. It was serviced 4 years ago.