My recent O/H and repair of the Grand Reveile was about US$2,500, including air freight to and from Geneva. This was because the perpetual calendar mechanism had to be repaired. The Ultra Thin might be stay in Japan and less expensive since it doesn’t seem to have problems with the calendar mechanism. Maybe under US$1,000. Fingers crossed😉
It adds a new dimension (fun) to the hobby. Buy a cheep one like mine and enjoy! Furthermore, if you see a messed up curve ob the timegrapher for say a vintage watch, it will inspire you to consider an overhaul. With my relatively big collection, overhaul maintenance is something I really don’t want to think about. But the curve (or scattered dots) will make you 重い腰を上げる move your heavy ass.
A part of the story is described in my Post #31 😅
https://www.watchcrunch.com/ichibra/posts/post-31-my-sotc-45396?ref=ichibra
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