unknownsynthetic
evidence: unknown
no source states which grade this article was bought at — this row exists so 'unknown' stays countable instead of becoming an assumption
exec:eta-1164/unknown
Family tree · none recorded
No lineage link to any other caliber is recorded for this design under the Heritage profile. That is a gap in the research, not a claim that none exists.
movement
ETA 1164
ETA SA Manufacture Horlogère Suissearchive filing⟨1955 or earlier⟩ range onlydesign:eta-1164compare specs
⟨1955 or earlier⟩ range only — no source gives an introduction yearread from sources · staged
not after 1955
a dated example movement, ca. 1950 (+5 yr, the source says “circa”)“ca. 1950: Swiss”
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.
IDesign — the construction
ETA 1164
movementproducer: ETA SA Manufacture Horlogère Suissearchive filing
IIDesignations — 0 names
No designation is recorded for this design yet.
IIIExecutions — 1 article
No source in this corpus states which grade any ETA 1164 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 |
|---|---|---|---|---|
Jewels build.jewel_count | 17 | — | accepted | |
Date display disp.date_display_type | pointer | — | staged | |
Date correction disp.date_quickset | corrector_pusher | — | staged | |
Date disp.has_date | yes | — | staged | |
Day disp.has_day | yes | — | staged | |
Seconds display disp.seconds_display | small | — | staged | |
Movement diameter geom.diameter_mm | 27 mm | — | accepted | |
Movement diameter geom.diameter_mm | 26.6 mm | — | accepted | |
Movement height geom.height_mm | 4.6 mm | — | accepted | |
Swiss movement origin.swiss_movement | yes | — | accepted | |
Frequency osc.frequency_vph | 18000 vph | — | accepted | |
Power reserve (typical) power.reserve_typical_h | 40 h | — | accepted | |
Power reserve (typical) power.reserve_typical_h | 43 h | — | accepted | |
Winding mode wind.mode | manual | — | accepted |
Where a property carries more than one value, the values have different scopes — an official spec sheet and observed hardware, say. Different scopes are not a disagreement, so both are accepted and both are shown with the scope they apply to.
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.
Ancestors · 0
Where this construction came from. Read up the arrows.
None recorded. An absence here means no source stated one, not that none exists.
Descendants · 0
What came from it — revisions, variants, clones, licensed copies.
None recorded. An absence here means no source stated one, not that none exists.
Related · 0
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
- 1Internet Archivehttps://web.archive.org/web/20191122204747/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&0&2uswk&ETA_1164archivetier 2retrieved 2019-11-2213 facts on this page
- 2Caliber Cornerhttps://calibercorner.com/eta-caliber-1164curated dbtier 2retrieved 2026-09-087 facts on this pagecited, never crawled