Vintage General power -jet miniature tire with an electric clock made by Sessions Working Vintage 1950s Rubber General Tire Desk Electric Clock . Antique Sessions We have for your consideration a vintage General Tire electric clock. This clock has a unique design. The tire is solid rubber with great detail to the tread design. The clock was made by Sessions Clockworks. Runs without any problems. Approximate Measurements It has a 6" diameter and is 2" deep. 1.5# Markings General, General Tire, Patented in USA, Sessions Clockworks Condition super nice vintage looks almost unused. el untested for being accurate