Identical to the 1F308 commercial clock except in size, the Telechron Model 1F312 has an octagonal metal case is 14” in diameter. The dial is 12” across.
Running on a type H rotor, Telechron’s Model 1H1312, is a commercial wall clock made of a brown Bakelite case. The 12.5” dial includes a red dot to indicate power loss. A feature of Telechron clocks during this time is that they restart on their own…