OAI
Provisional entry — research in progress
This page was generated automatically from cited public sources and hasn't completed the full research pass yet. Every specification shown carries its source; more detail is added as research completes.
Plate 01Smith & Wesson Model 659
Plate 02Smith & Wesson Model 659 Gun Review : 2nd Gen Pistol
Plate 03Smith&Wesson Gen 2! (Model 659)
Plate 04Smith & Wesson Model 659 Range Test (Regular & Bumpfire)
The OAI Model 659 is a UV meter manufactured by Optical Associates, Inc.[1]
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The following facts about the Model 659 Meter are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
Fewer than 3 independently cited specifications for the Model 659 Meter are on record; the remainder await public documentation.
Answerable by: an OEM datasheet, a cleanroom equipment inventory, or an engineer who operated or installed it
No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the Model 659 Meter are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the Model 659 Meter are on record.
Answerable by: an OEM product catalog or an engineer who ordered or specified the tool
The control-system platform and OS era of the Model 659 Meter are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the Model 659 Meter are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
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Last updated Oct 9, 2026.