CORPUS EXPORT · 12269 calibers · 59387 family views · round round/2026-09-08Compiled from app/public/data/ · corpus 70c0140eba.

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

AHO 1166A

maker not sourcedyear not sourceddesign:aho-1166acompare specs
bounding evidence — no range is drawn on the era axis
not after 1965
a dated example movement, ca. 1960 (+5 yr, the source says “circa”)“1) ca. 1960: 21 Jewels - AHO 1166A; Rufarex”
not after 1965
a dated example movement, ca. 1960 (+5 yr, the source says “circa”)“ca. 1960: 21 Jewels - AHO 1166A; Rufarex”
not after 1965
a dated example movement, ca. 1960 (+5 yr, the source says “circa”)“ca. 1960: 21 Jewels - AHO 1166A; Rufarex”

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
AHO 1166A
movement
IIDesignations — 0 names

No designation is recorded for this design yet.

IIIExecutions — 1 article

No source in this corpus states which grade any AHO 1166A 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.

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:aho-1166a/unknown

Specifications

PropertyValueScopeStatusSources
Jewels
build.jewel_count
17Ranfft data sheet, the 17-jewel member of its 17/21 rangestaged
Jewels
build.jewel_count
21Ranfft data sheet, the 21-jewel member of its 17/21 rangestaged
Date correction
disp.date_quickset
none—staged
Date
disp.has_date
yes—staged
Seconds display
disp.seconds_display
central—staged
Casing diameter
geom.casing_diameter_mm
26 mm—staged
Movement diameter
geom.diameter_mm
25.6 mm—staged
Movement height
geom.height_mm
4.4 mm—staged
Frequency
osc.frequency_vph
18000 vph—staged
Shock protection
osc.shock_protection
otherexample movement, 1960staged
Power reserve (typical)
power.reserve_typical_h
39 h—staged
Winding mode
wind.mode
manual—staged

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.

Curated family labels

AHO family/generations block
authority: ranfft11 members

Sources

  1. 1
    Internet Archive
    https://web.archive.org/web/20230530003915/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&a&2uswk&AHO_1166A&
    archivetier 2retrieved 2023-05-3013 facts on this page
  2. 2
    Internet Archive
    https://web.archive.org/web/20230305223419/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&&2uswk&AHO_1021A
    archivetier 2retrieved 2023-03-051 fact on this page
  3. 3
    Internet Archive
    https://web.archive.org/web/20230305223421/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&&2uswk&AHO_1121
    archivetier 2retrieved 2023-03-051 fact on this page
  4. 4
    Internet Archive
    https://web.archive.org/web/20230330201240/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&&2uswk&AHO_1121A&
    archivetier 2retrieved 2023-03-302 facts on this page
  5. 5
    Internet Archive
    https://web.archive.org/web/20231211025440/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&&2uswk&AHO_126&
    archivetier 2retrieved 2023-12-111 fact on this page
  6. 6
    Internet Archive
    https://web.archive.org/web/20230530050512/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&a&2uswk&AHO_1122A
    archivetier 2retrieved 2023-05-301 fact on this page