Cal. 16 is a mono pusher chronograph movement produced by Landeron (Charles Hahn & Cie.) in the 1930s. It measured 15.5 or 16 ligne in diameter. It is closely related to Cal. 15, and both are sometimes called Cal. 155.
Cal. 16 is a mono pusher chronograph movement produced by Landeron (Charles Hahn & Cie.) in the 1930s. It measured 15.5 or 16 ligne in diameter. It is closely related to Cal. 15, and both are sometimes called Cal. 155.