: Here's an interesting posting from James Lamdin, of Analog
: Shift, that discusses the use of "batch manufacturing"
: for vintage Swiss watches -- Birth Year Watches .

: Perhaps "batch manufacturing" helps explain some of the
: anomalies that we have seen on the serial numbers.

: Jeff

Very interesting to read Jeff, and fits with what I have read with this type of thing happening .
Heck, I do it now in my business- If I run out of a particular component I use an alternative, more substantial replacement.