CALIBER/browser
CORPUS EXPORT · 12269 calibers · 59387 family views · round round/2026-09-08Compiled from app/public/data/ · corpus 70c0140eba.
Family treeAS 1525 — Heritage family: 11 calibers, 10 sourced lineage links.Drag to explore.
100%overlaydrag to pan · hover a caliber to isolate its line · scroll the page normallyopen the full family view →
ébauche ofébauche ofébauche ofébauche ofébauche ofébauche ofébauche ofébauche ofébauche ofébauche ofAS 1525 — the caliber this page is aboutAS 1525—maker not sourc…1 exec · grade ?Dugena 3003 (AS 1525) — open caliber pageDugena 3003 (AS 1525)—maker not sourc…1 exec · grade ?Dugena 3014 (AS 1525) — open caliber pageDugena 3014 (AS 1525)—maker not sourc…1 exec · grade ?Dugena 990 (AS 1525) — open caliber pageDugena 990 (AS 1525)—maker not sourc…1 exec · grade ?Ebel 97 (AS 1525) — open caliber pageEbel 97 (AS 1525)1759maker not sourc…1 exec · grade ?Elgin 874 (AS 1525) — open caliber pageElgin 874 (AS 1525)—maker not sourc…1 exec · grade ?Girard-Perregaux 25 (AS 1525) — open caliber pageGirard-Perregaux 25 (AS 1525)—maker not sourced1 exec · grade ?Girard-Perregaux 25.09 (AS 1525) — open caliber pageGirard-Perregaux 25.09 (AS 1525)—maker not sourced1 exec · grade ?Girard-Perregaux 25.19 (AS 1525) — open caliber pageGirard-Perregaux 25.19 (AS 1525)—maker not sourced1 exec · grade ?Girard-Perregaux 25.29 (AS 1525) — open caliber pageGirard-Perregaux 25.29 (AS 1525)—maker not sourced1 exec · grade ?Junghans 650.00 (J50, AS 1525) — open caliber pageJunghans 650.00 (J50, AS 152…1962maker not sourced1 exec · grade ?
accepteddisputed
Sense of “family”Heritage · 11Everything (debug) · 11Parts cluster (Jules Borel sense) · 1Manufacturer-internal (Ranfft sense) · 1Based-on star (WatchBase sense) · 11Open the full family view →

movement

AS 1525

maker not sourcedyear not sourceddesign:as-1525compare specs · 8
bounding evidence — no range is drawn on the era axis
not after 1960
a dated example movement, ca. 1955 (+5 yr, the source says “circa”)“1-2) ca. 1955: AS 1525, 1526 - UT; Incabloc”
not after 1970
a dated example movement, ca. 1965 (+5 yr, the source says “circa”)“3-4) ca. 1965: AS 1525, 1526 - DBP; Incabloc”

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
AS 1525
movement
IIDesignations — 0 names

No designation is recorded for this design yet.

IIIExecutions — 1 article

No source in this corpus states which grade any AS 1525 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:as-1525/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
Seconds display
disp.seconds_display
small—staged
Casing diameter
geom.casing_diameter_mm
23.7 mm—staged
Movement diameter
geom.diameter_mm
23.3 mm—staged
Movement height
geom.height_mm
2.8 mm—staged
Frequency
osc.frequency_vph
18000 vph—staged
Shock protection
osc.shock_protection
incablocexample movement, 1955staged
Shock protection
osc.shock_protection
incablocexample movement, 1965staged
Power reserve (typical)
power.reserve_typical_h
44 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.

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

AS family/generations block
authority: ranfft6 members

Sources

  1. 1
    Internet Archive
    https://web.archive.org/web/20220925043206/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&&2uswk&AS_1525
    archivetier 2retrieved 2022-09-2514 facts on this page
  2. 2
    Internet Archive
    https://web.archive.org/web/20181106103557/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&a0&2uswk&AS_1696
    archivetier 2retrieved 2018-11-061 fact on this page
  3. 3
    Internet Archive
    https://web.archive.org/web/20220119080718/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&&2uswk&AS_1758
    archivetier 2retrieved 2022-01-191 fact on this page
  4. 4
    Internet Archive
    https://web.archive.org/web/20220129123914/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&&2uswk&AS_1526
    archivetier 2retrieved 2022-01-291 fact on this page
  5. 5
    Internet Archive
    https://web.archive.org/web/20181106134145/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&a0&2uswk&Dugena_3003
    archivetier 2retrieved 2018-11-061 fact on this page
  6. 6
    Internet Archive
    https://web.archive.org/web/20181106134209/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&a0&2uswk&Dugena_3014
    archivetier 2retrieved 2018-11-061 fact on this page
  7. 7
    Internet Archive
    https://web.archive.org/web/20230907071309/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&0&2uswk&Dugena_990&
    archivetier 2retrieved 2023-09-071 fact on this page
  8. 8
    Internet Archive
    https://web.archive.org/web/20230830184702/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?03&ranfft&0&2uswk&Ebel_97
    archivetier 2retrieved 2023-08-301 fact on this page
  9. 9
    Internet Archive
    https://web.archive.org/web/20181106151654/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&a0&2uswk&Elgin_874
    archivetier 2retrieved 2018-11-061 fact on this page
  10. 10
    Internet Archive
    https://web.archive.org/web/20181107151933/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&a0&2uswk&Girard-Perregaux_25_09
    archivetier 2retrieved 2018-11-071 fact on this page
  11. 11
    Internet Archive
    https://web.archive.org/web/20181107151944/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&a0&2uswk&Girard-Perregaux_25_19
    archivetier 2retrieved 2018-11-071 fact on this page
  12. 12
    Internet Archive
    https://web.archive.org/web/20181107151955/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&a0&2uswk&Girard-Perregaux_25_29
    archivetier 2retrieved 2018-11-071 fact on this page
  13. 13
    Internet Archive
    https://web.archive.org/web/20181107151922/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&a0&2uswk&Girard-Perregaux_25
    archivetier 2retrieved 2018-11-071 fact on this page
  14. 14
    Internet Archive
    https://web.archive.org/web/20220816074705/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&136&2uswk&Junghans_650_00
    archivetier 2retrieved 2022-08-161 fact on this page