One of the issues with the traditional going barrel is that the barrel arbor only rotates while the watch is being wound. When running, the barrel rotates as the mainspring.
Following yesterday’s post comparing Elgin’s going barrel to the patent safety barrel, there were questions regarding the distinction between these designs and the motor barrel. Today, I will provide a.

A look inside the jeweled safety barrel from the Grade 240 B.W. Raymond reveals the barrel arbor attached to the main wheel while the mainspring is coiled inside the spring.
George Hunter, Superintendent of the Elgin National Watch Company, received a patent for his safety barrel design on December 28, 1897. At the time, Elgin was falling behind Waltham in.
When the new “Veritas Model” was introduced in 1901, the Elgin National Watch Company boasted about the “extra heavy balance wheel” driven by a mainspring one-third wider and fifty-percent longer.
Excerpt from Elgin’s 1901 “The Watch Word is Elgin: Timemakers and Timekeepers” promotional booklet, describing the factory adjustments applied to the new “Veritas” model: “The new “Veritas” model is very.