Indeed- The low cost solution to getting a slow beat like the vintage is the 2846. It's a 21600bph movement, so the seconds hand has the same staggered sweep like the genuine 1570/5 (I'm looking at mine on my wrist while I type).
The AS is a much better alternative as the date does rotate in the same direction as gen (counter-clockwise). I posted pics of my AS movements and gen datewheels in manuel's thread here. The genuine silver datewheels are expensive! And that's if you can find one (I spent a solid month looking for one, and luckily I ended up with two); the AS movements I purchased for $8 each. They run but only barely, so they'll need to be serviced and overhauled.