I have an early Hamilton Chronomatic B with the calibre 11 Chrono-Matic movement (no "I" under the balance wheel). I took it in to a local guy, and to make a long story short, it was beyond his capabilities. While he replaced the crystal and got the sub dials to zero properly, the second hand now jumps back when the chrono is stopped. Took it back to him, he had it forever, and never fixed it so I would like to find someone who has direct experience with this movement.
As this exact movement was used in Heuers and Breitlings also, I would think there would be some good recommendations out there. Who have you used? Anyone have the jumping issue before?
The requisite picture: