thanks for posting for me, greatly appreciated, oh and the info you emailed me.

That one looks familiar! Is he still running like a proverbial swiss watch Jeff? (Note: It's really hard for me to call a Black PVD watch a "She" - just doesn't fit...)

Jeff actually uses the picture of my 510.511 for the header of the Chrono guide, and additional shots of my example exist here:

http://home.xnet.com/~cmaddox/heuer/articles/carrera_article/_carrera_pt4.html (Do one "Page Down")

or in this directory:

http://home.xnet.com/~cmaddox/heuer/watches/wrist/black_carrera/

Here is the instruction manual for this model:

http://home.xnet.com/~cmaddox/heuer/manuals/5100_auto_chrono/5100_manual.html

And I have posted this Data Card for this model:

http://home.xnet.com/~cmaddox/heuer/catalogs/model_cards/heuer_data_cards.html#Page_06