See the other posts and keep in mind that in the pocket watch days (before
calendar windows) the position of the dial (the orientation of 12 in
relation to the stem) was arbitrary and could be rotated (using a dial with
the seconds subdial in the "right" place). The only thing that was fixed was
the relationship between the stem and the seconds subdial. There were two
basic layouts - lepine and savonette in Swiss French terminology (or open
and hunting in American) . In lepine movements (named after the inventor)
the stem was 180 degrees opposite the seconds dial. So you could case this
typically as an open face with the stem at 12 and seconds at 6 or you could
case it as a hunter (or nowadays a wristwatch - we see this in the Unitas
based oversized wristwatches) with the stem at 3 and the seconds (and
hinge) at 9. In the savonette (little bar of soap?) the stem is 90
degrees from the seconds dial. Normally this would be (as Bob states) cased
as a hunter - stem at 3, seconds at 6 (hinge at 9). The grandfather of the
modern wristwatch. But if you rotate the dial so that the stem is at 12 then
you end up with seconds at 3 as you saw - admittedly a strange setup but it
required no more engineering than painting a savonette dial a little
differently.
Post by anthony fremontI was poking around a pawn shop today and saw a Waltham pocket watch
with the stem at 12:00 (nothing odd there) and the sub-seconds at
3:00. I thought that was odd, anyone able to explain the sub-seconds
at 3:00? The dial looks like it was purposely made that way. Gold
plated open face case with a snap off back. I thought the snap-off
back was kinda weird too.