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RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-19829

Home › Forums › News and General Discussion › Main Forum – General Discussion and Forum info › [Demo notebook] QC clinic: photographic evidence and its limits · RWI-19829 › RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-19829

July 20, 2023 at 10:56 pm #160639
PartsReader 07498
Participant

Case 25 — 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.