no source states which grade this article was bought at — this row exists so 'unknown' stays countable instead of becoming an assumption
composite
Patek Philippe 315 S QA
Identity
A caliber is three separate things and this reference keeps them apart: the construction, the names it is sold under, and the article a brand actually bought. A watch model points at an execution — never at a bare construction — which is why “same caliber” is almost never a complete answer.
No designation is recorded for this design yet.
No source in this corpus states which grade any Patek Philippe 315 S QA was bought at. That unknown is stored as a real row rather than left blank, so it can be counted, filtered and excluded from any comparison that would otherwise assume parity.
Specifications
| Property | Value | Scope | Status | Sources |
|---|---|---|---|---|
Calendar class cmpl.calendar_class | annual | — | accepted | |
Calendar mechanism cmpl.calendar_mechanism_family | wheel_rotary | — | accepted | |
Complication source cmpl.source | module | — | accepted | |
Frequency osc.frequency_vph | 21600 vph | — | accepted | |
Introduced prod.intro_year | 1996 | — | accepted |
Lineage
The same relationships as the tree at the top of this page, with their sources. An absence in a column means no source stated one.
Where this construction came from. Read up the arrows.
- Patek Philippe 315 Smodule on
What came from it — revisions, variants, clones, licensed copies.
None recorded. An absence here means no source stated one, not that none exists.
Stored in a different table from descent. A successor is not a child.
None recorded. An absence here means no source stated one, not that none exists.
Sources
- 1Monochrome Watcheshttps://monochrome-watches.com/in-depth-history-patek-philippe-annual-calendar-collection-overview-technical-perspective/presstier 2retrieved 2026-08-249 facts on this page