Case 19 — Comparison thread: 38mm vs 40mm versions of the same field watch, with a dated correction log
Summary so far. Rows: diameter, lug-to-lug, thickness (method stated), lug width, crystal type, water resistance (as specified), movement family, production period. Each row has a source tag. Corrections go in the dated log with old and new values. If nobody objects, that's the template, and later posts should give evidence rather than restate opinions.
Case 25 — Lume questions: why does my lume fade so quickly, and how should I compare it?
My watch's lume is bright for a few minutes and then barely visible. Is that normal? People post lume shots of different watches, but they all seem to use different charging and exposure, so I can't tell what's actually better.
Exercise RWF-31198/25: address this question within its stated limits.
Clarification for “Bracelet fit: measuring the usable clasp adjustment”: the point beginning “Record wrist circumference, removable links and the clasp…” 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 9 — Timegrapher reading context: what do rate, amplitude and beat error actually tell me?
The lift angle must match the movement specification for the amplitude reading to be meaningful. If it is unknown, label amplitude as provisional instead of accepting the instrument default.
Clarification for “Date window centring: compare the same date at the same angle”: the point beginning “Use the same numeral, camera axis…” 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 17 — A maintenance log that remains useful after a sale
Which information should a transferable maintenance log retain while protecting the owner’s identity?
Exercise RWF-30040/17: address this question within its stated limits.
Case 25 — Disputed observation: is this dial colour shift real or just lighting?
Status for now: unresolved. The claim is plausible, but no controlled comparison has been posted. Until one appears, describe it as 'reported, not verified'. When someone posts a same-frame, grey-card comparison under two lighting conditions, the thread can update the status with a date and a link to that post.
Case 24 — Beginner glossary Q&A: complication, caliber, jewel count, power reserve
One more term that will come up is 'hacking', meaning the seconds hand stops when you pull the crown so you can set the time to the second. It's minor, but beginners often assume every automatic has it, and not all do. That rounds out the glossary: caliber means what, complication means extra functions, jewels mean bearings, power reserve means how long it runs, hacking means precise setting.
Case 22 — Maintenance question: how do I tell if an automatic actually needs service?
Common advice says service every five years, but service is expensive and some people run watches much longer. What observable signs actually indicate a mechanical watch needs attention, as opposed to just being due on a calendar?
Exercise RWF-27596/22: address this question within its stated limits.
Summary draft for “Lume comparison: keep exposure and charging conditions consistent”: the answer addresses “Treat the comparison…”; the related point is “Repeat with equal light source, charging duration, elapsed time and camera…”. Keep both connected to the opening question, and mark any conclusion needing further records as unresolved. Review focus: scope. Keep the stated question separate from any broader claim.
Case 25 — Disputed observation: is this dial colour shift real or just lighting?
Batch variation on coloured dials does happen in general. Plating, lacquer thickness and supplier changes can all shift tone, so the claim isn't implausible. Plausible isn't the same as confirmed, though. The thread should keep 'possible' and 'shown' as separate statuses rather than letting repetition turn a hypothesis into accepted fact.
Case 32 — Crystal reflections: why a dark patch is not a coating test
Correction note for “Crystal reflections: why a dark patch is not a coating test”: retain the wording beginning “No single lighting setup settles…” 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 16 — Disputed observation: is this dial colour shift real or just lighting?
Clarifying question: does anyone in the thread have access to both versions at once? Without simultaneous comparison, every claim either way is weak evidence. If not, the next best option is photos with a grey card in frame and white balance locked or set manually, which at least makes separate photos roughly comparable.
Case 35 — Seller review template: facts, dates and unresolved questions
Clarification for “Seller review template: facts, dates and unresolved questions”: the point beginning “Use fields for order date, promised terms, dated…” 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.
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.