I was wondering if any of the Hamilton “Electric” series pocket watch variations included any additional features not already present in other railroad watches. From reading the interesting thread on “antimagnetic “ construction, it seems that the Elinvar hairspring, invar balance wheel, and stainless steel case (maybe to a lesser degree a gold filled case, as well) provided excellent antimagnetic protection.
Put another way, was the only differentiating feature of an “Electric” Hamilton the wording on the dial?

Steve,

Hamilton made "Electric" battery powered wristwatches beginning in the late 1950s but there were never any Hamilton Electric Pocket Watches.

Perhaps you are thinking of "Hamilton Electric Railway" 17-jewel Pocket Watches which were intended for use on interurban commuter trains and trollies.

They were usually a Grade 974 or 974 Special which were not Elinvar Equipped nor were they shielded in any way. They featured only 3 Adjustments, (Heat, Cold and Isocronism) so they were not accepted in Railroad Time Service.

Follow this "Find-Or-Search" link to read more about them...

https://ihc185.infopop.cc/eve/f...rum_scope=3006013713

Read all the posts at that link for a lot of information.

You will also see one of our IHC Members is building a Database of known survivors.

https://ihc185.infopop.cc/eve/f...4108073/m/5363938857

Since you also asked your question there as well I will close this topic and respond in that topic.

Don