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Battery Hatch/Circuit Modifiers
Salesman's Case
Circuit Modifiers
These circuit modifiers regulate the voltage from currently available 1.55 Volt Silver Oxide cells to within factory specifications of, now illegal, Mercuric Oxide cells.  Those who know me know that I am a purist, so I refuse to alter a watch away from the way it left the factory.  My goal is always to try to restore them, both inside and out, to be as close as possible to how they were when brand new.  To that end, I developed these, less invasive regulators rather than altering the original electronics by soldering a new component into place.
 
Modified battery hatch
This replacement battery hatch for 214 series Accutrons contains a voltage regulator in it.  All of the metal parts are made of stainless steel.

NO LONGER PRODUCED.  
218 Voltage Regulator
This picture shows a voltage regulator installed in a 218 series Accutron movement.  It is held between the coil leads by a screw.  I include this regulator with every overhaul I perform on 218 series movements.  Obviously, this is not an item that should be installed by anyone other than a watchmaker.  If you service Accutrons and are interested in buying these, please e-mail me for pricing.