A Timex electric, one of the first electric watches, where the battery only substitutes the mainspring. The balance is drawn into the magnetic field of a permanent magnet by an electrical coil, via contacts the current is switched off, the balance swings back, the current is switched on again......Signed front: “Timex, Electric”, back: “Timex, Water Resistant, Stainless Steel Back”, inside: “Taiwan, Timex, 336”.Date at 3. |