Tissot “Sidéral”

Swiss Watch Fair 1970 BF 933
Here is the feminine version of today’s major success the watch with fiberglass case. This material has innumerable advantages It is chemically pure and impervious to wear. Its elasticity provides extra shock-protection - in addition to the classical system of shock-protection. Its light weight makes it particularly pleasant to wear. The fiberglass also makes for very great water-tightness and, last but not least, its use leads to lower manufacturing costs. Automatic movement with calendar. (TISSOT “Sidéral”)