Heuer Calculator 150.633

HEUER Calculator Model: 150.633

Equipped with Caliber 12, the successor to the world's first automatic chronograph Caliber 11. Tritium luminous dial and hands. *This watch is not waterproof, so please be careful of sweat, rain, and water. Since its founding in 1860, HEUER has grown its name recognition through technological innovations, including the patent for the crown winding mechanism. It has produced numerous masterpieces, primarily in the field of sports watches, such as chronographs. The technology and design cultivated by HEUER are carried on in many of the TAG HEUER models currently in production.