I have entertained the idea of building datejust with an sa3135 movement. I have had a ym with one in it for around 5 years. Honestly, It's been trouble free. I ordered several sa 3135 movements to use in both the old style dj and the new style. It will keep the price of the build about the same as a swiss. I have read about some complaints with the movement. I personally have had good luck with them. Do you think the latest version is better than those made 4 or 5 years ago. I do. But your opin