RE: [Demo notebook] Workbench questions: what to record before asking for service · RWI-00499
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March 9, 2018 at 8:59 am
#7988
QCNotebook 04847
Participant
Case 23 — What a water-resistance claim does and does not establish
Ask a qualified watchmaker about a suitable test for that individual case and record the test date and method. A photograph or a caseback engraving is not proof of water resistance.