COMOR chronograph Patent Dubey & Schaldenbrand Semi Rattrapante, manual winding, developed end of 1940`s, reassembled of remaining stock with Landeron base calibre 248, stainless steel, snap on case back & bezel, on both sides glazed, enamel colored dial with red 12, 30 minutes-register, Rattrapante by crown pusher. incablock shock-absorber, reassembled around 1995, diameter approx. 35 mm, condition 1-2, property of a collector