Tissot Sideral "Bullhead" in mint condition, fibreglass casing (very innovative at the time). Indeed, during the 1970s all the watch companies tried to experiment with new materials, in an effort to stem the tide of quartz technology. Grey dial, continuous seconds markers, chronograph sub-dials located at 12 and 6 o'clock, surrounded by frame of matching colour. Bidirectional bezel in red plastic, Plexiglas crystal. The movement is the excellent and reliable Calibre 872, Lemania-Omega, hand-wound, 17 jewels, perfect. As mentioned, the case is made of fibreglass, Tissot Swiss, measuring 44 mm with crown, 39 mm without crown. Original crown. Original leather strap, compatible with Omega chronograph (see photo), length including timepiece 23.5 cm, never worn. The buckle is also original, marked with a T for Tissot. Shipping with tracking.