Originally Posted by miriam
Originally Posted by deplaylady
OOOHHHHHH!!!!!!!!!!!! That is a Singer 503. I gave one to my DIL and she LOVES it. YES it is worth getting. It is the same as a Singer 403 inside. The 403 and the 503 are like the 401 and 500 but they require disks for everything. I think the 403 and the 503 have a bit better stitch width control but that is my dirty little secret. Make sure they include the zig zag disk and any others you can get your hands on.
Miriam, could you explain this? I've read this and I don't understand why the 503 and 403 would have better stitch width control. How are the 500 and 401 different in the stitch width area? Thanks.