I believe it's either scotch, if you want a matte/brushed look, or cap cod for shiny. If you want a more professional looking polished look, you should invest in a couple of different fine grit sandpapers + polish.
I'd go a step further and order a paint marker.
http://www.uline.com/Product/Detail/S-19423BL/Paint-Markers/Uni-Paint-Marker-Black?pricode=WU340&gadtype=pla&gclid=CN-m96Tl8rYCFeF9OgoddRMAdg
PM'd the seller, asked for a picture of the movement next to paper with his username scribbled on it - his response: I'm traveling currently, will send it on monday. Of course the auction ends before then.
http://www.ebay.com/itm/230971705625?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649
Google reverse image search gave me this:
http://www.watchesbysjx.com/2011/08/bling-on-budget.html
What incompetence!
Right now I'm just waiting for the custom dials/ink to arrive. Once they do I will begin printing and will set up a thread in the sale section - I'll let you know
http://www.ebay.com/itm/Rolex-Submariner-wristwatch-Dial-refinished-27-mm-in-diameter-/221120302309?pt=Wristwatches&hash=item337bcc0ce5
stunning work really