Tissot 2251

The Tissot 2251 is an 11 1/2''' manual-winding chronograph movement introduced in 1962. It features a pillar wheel mechanism controlling timer measurements of 1 second with 0.1-second precision, 60 seconds, and 60 minutes, displayed through sub-dials for 1/10 seconds, seconds, and minutes. The movement contains one jewel and includes small seconds. This caliber represented Tissot's entry into precision chronograph movements during the 1960s.