Your watch is shown in the 1936 catalog in the model.351 range.
If you look at this page
you will see your dial/hands charactoristics are featured across the 351 range.
Cheers - Darren
: Hi All, been a while since I posted. Is there anything special
: about this Heuer monopusher I came across today or just one of
: many? I've included a picture of it next to my 2446C AF for size
: comparison and its prob at least 38mm without crown. Not sure
: how these price in the market. Sticker on back says 1923 but
: that seems awfully early. Any thoughts appreciated. Sorry I cant
: embed images when posting from my phone.