Hi Eyal,
My Autavia 2446C GMT came with a nearly identical box (the external Heuer logo on mine uses thinner script plus there are gold "stripes" that run the horizontal perimeter along the sides and front of each clamshell half of the case). My box also has the embossed/imprinted "BOX MADE IN THAILAND" on the bottom of this clamshell type box. I bought my Autavia from the estate of its original owner and I was told that this was its original box. Therefore, it would appear the e-bay box is authentic although the much thicker "Heuer" script on its external top differs from mine.
Steve

: Hi All,

: Saw this on eBay (sorry for those who wanted to keep this under the
: radar), however is this box genuine (box made in Thailand???)
: Seller also has a very nice NOS Autavia box for auction as
: well...

:
: http://cgi.ebay.com/HEUER-VINTAGE-RED-BOX-FITS-MANY-MODELS-PERIOD-CORRECT-/120593643397?cmd=ViewItem&pt=Wristwatches&hash=item1c13f0f785

: Regards

: Eyal