Men's Accutron marked N1 for 1971 with the date at 6 o'clock and 2181 movement. Beautiful brush metal bezel and gold dial with grey market ring with raised red hours markers with red accents. Gold and Black stripped hour and minute hands with red second hand. 18KT gold electroplate bezel with 10kt rolled gold plate case back. Accutron logo'd Crown at 4 o'clock.
Your watch looks to be a good match to the Accutron Calendar "CO", as seen in this 1972 ad. Nice looking watch, thanks for sharing.
Ken
In reply to Your watch looks to be a good by Andersok
[quote=Andersok]
Your watch looks to be a good match to the Accutron Calendar "CO", as seen in this 1972 ad. Nice looking watch, thanks for sharing.
Ken
[/quote]
I think you nailed it. Looks like an exact match to me.