RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-10501

[MovementIndex 00665]

Case 23 — Accuracy expectations: is -8 s/d acceptable on an entry-level automatic?

Log the rate over several comparable days, identify the correct specification and state the conditions. Stable and changing patterns raise different questions; a watchmaker can assess whether regulation, inspection or no action is appropriate.