Hi Jeff...

The next time I'm in my safe deposit box I'll grab the numbers...

I do know the model number is the 7220, but I don't know the serial number off hand...

I'd also like to better understand the piece, as I have not seen many around...

: I will admit to some confusion here . . . Arno's had the orange
: tachy track and was listed as a 7220; I assume that this was
: entirely correct.

: I have seen a few of the later 73643 NT Camaros, and they kept the
: orange chrono second hand and needles, but the tachy track is
: now white.

: Perhaps Heuer made the switch from orange to white on the tachy
: track when it changed the movements (V72 to V7736) / case
: references . . . or perhaps it was more of a gradual /
: transitional situation.

: As always, serial numbers may help us sort this out and will be
: appreciated.

: Thanks,

: Jeff

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