Cyma Navystar Cymaflex R.459 – Service & Repair

Silas sent me this rather lovely Cyma Navystar watch for a service. He reported very poor timekeeping (about  20min/day fast) and the crown did not sit flush against the case, so the watch was definitely in need of attention.

The watch is powered by Cyma’s calibre R.459, which uses the interesting antishock device called “Cymaflex”, more on that later.

Cyma Navystar Cymaflex R.459


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