I've now owned 2 5712 V2's, and spoken in length with MajorWilliams on the topic of the reliability. Overall reliability is good, BUT, that clutch wheel will continue to be a fragile point within the movement. Time setting needs to be done delicately, while servicing the movement helps (especially when greasing the keyless correctly) and can help stave off some of the delicateness of the clutch wheel- you should still time set delicately. The gen part is $250 which for such a small piece is rather ridiculous. Whether or not the free sprung movement uses the same clutch wheel or not is the biggest thing in terms of reliability.