Request a level straight-on image with the hands clear of the marker. Compare two independently aligned images before drawing a conclusion; an overlay cannot correct an oblique camera angle.
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Describe whether resistance occurs during winding or setting and whether the crown engages consistently. Stop forcing it and arrange inspection rather than trying an unverified repair from a thread.
Measure the lug opening and document bar diameter, shoulder position and strap thickness. Avoid forcing an assembly that does not fit and let a watchmaker check uncertain clearances.
Describe visible bridge shapes and markings separately from the proposed identification. Ask a qualified watchmaker to inspect it if identification matters for servicing; do not open the case merely for a forum answer.
The core trade-off is scratch resistance versus shatter resistance. Sapphire is very hard to scratch but can chip or crack from a sharp impact on an edge. Acrylic scratches easily but flexes, rarely shatters, and light scratches can be polished out at home. Mineral glass sits in between and is often the cheapest to replace.
Case 39 — QC photographs: perspective or a genuinely tilted index? · source wording exercise
Limit of the answer in “QC photographs: perspective or a genuinely tilted index?”: “Compare two independently aligned images before drawing a conclusion; an overlay…” is an excerpt from the discussion, not an independent verification. A reader needs the relevant original material before treating an interpretation as established. Review focus: source wording. Retain the source wording beside any paraphrase.
Correction note for “Date window centring: compare the same date at the same angle”: retain the wording beginning “Keep the uncropped originals alongside the detail crops and distinguish…” in the record. If later material changes it, add the date, the changed wording and the source for that change; do not invent a completed correction here. Keep the stated question separate from any broader claim.
Case 1 — Beginner glossary Q&A: complication, caliber, jewel count, power reserve
New here and reading spec sheets for the first time. Four terms keep tripping me up: complication, caliber, jewel count and power reserve. Short definitions would help, and so would a note on which ones actually matter when comparing two everyday watches.
Exercise RWF-25094/1: address this question within its stated limits.
Request open and closed views from both sides, with the watch supported safely. Separate cosmetic alignment from whether the clasp engages reliably; functional concerns need hands-on inspection.
Case 21 — First QC request: the minimum useful information
Clarification for “First QC request: the minimum useful information”: the point beginning “State the model configuration, the specific concern and…” belongs to the question as written. It should not be read as a report that a new check, purchase or experiment has been completed. Review focus: scope. Keep the stated question separate from any broader claim.
Case 18 — Comparing dial colour under different lighting
One image was taken beside a window and the other under a warm lamp. How should a colour comparison be qualified?
Exercise RWF-21140/18: address this question within its stated limits.
Clarification for “QC checklist: prioritise observable faults over pixel hunting”: the point beginning “Explain what the full-size image shows, what the crop adds and…” belongs to the question as written. It should not be read as a report that a new check, purchase or experiment has been completed. Review focus: scope. Keep the stated question separate from any broader claim.
Request a level straight-on image with the hands clear of the marker. Compare two independently aligned images before drawing a conclusion; an overlay cannot correct an oblique camera angle.
Case 41 — Crystal types: sapphire, mineral and acrylic trade-offs for daily wear · source wording exercise
Summary draft for “Crystal types: sapphire, mineral and acrylic trade-offs for daily wear”: the answer addresses “Sapphire is very hard to scratch but can chip or crack…”; the related point is “Acrylic scratches easily but flexes, rarely shatters, and light scratches…”. Keep both connected to the opening question, and mark any conclusion needing further records as unresolved. Review focus: source wording. Retain the source wording beside any paraphrase.
Case 29 — Timegrapher reading context: what do rate, amplitude and beat error actually tell me?
The reported numbers alone do not establish damage or the need for service. Confirm the setup, collect comparable readings and ask a watchmaker to assess a concerning or changing pattern.