![]() ![]() anti-magnetic protection (after the advent of diesel-electric locomotives).lever used to set the time (no risk of inadvertently setting the watch to an erroneous time, when winding the watch with the stem).indication of time with bold legible Arabic numerals, outer minute division, second dial, heavy hands,.adjusted for severe temperature variance and isochronism (variance in spring tension).Occasionally a sixth position, crown pointing down, would be included. ![]() watch adjusted to at least five positions: Face up and face down (the positions a watch might commonly take when laid on a flat surface) then crown up, crown pointing left, and crown pointing right (the positions a watch might commonly take in a pocket).maximum variation of 30 seconds (approximately 4 seconds daily) per weekly check.minimum of 17 functional jewels in the movement.only open-faced dials, with the stem at 12 o’clock.only American-made watches may be used (depending on availability of spare parts).railroad’s requirements for a watch in the early 20th century might include: A system called Timetable and Train Order, which relied on highly accurate timekeeping, was used to ensure that two trains could not be on the same stretch of track at the same time.” Good idea!Ī typical U.S. ![]() What It Takes to Be Railroad Watchįrom Wikipedia: “ There was a higher grade of watch called railroad chronometer, which this watch qualified for. “Railroad chronometers, or Railroad Standard Watches, are specialized timepieces that once were crucial for the safe and correct operation of trains in many countries. The railroad watches were the most accurate machines of their day. I opened the back of a junky 1970s pocket watch for comparison, and these timepieces are in different universes as far as quality goes.
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