As a
fellow owner of a 14790, I'd had it serviced by an independent - no issues, doable, if he has parts.
The 14790 is slightly smaller than the 15450 though (36 vs 37mm), but as mentioned, it is definitely thinner, which is nice.
There are several iterations of the 14790 - with the longer indices, and with the shorter indices. Prices seem slightly higher for the former.
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