Family treeDugena 597 (Peseux 320) — Heritage family: 5 calibers, 4 sourced lineage links.Drag to explore.

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accepteddisputed

Sense of “family”Heritage · 5Everything (debug) · 5 Parts cluster (Jules Borel sense) · 1 Manufacturer-internal (Ranfft sense) · 1 Based-on star (WatchBase sense) · 5 Open the full family view →

movement

Dugena 597 (Peseux 320)

maker not sourcedyear not sourceddesign:dugena-597compare specs · 2

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”)“ca. 1960: - WO”

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

Dugena 597 (Peseux 320)

movement

IIDesignations — 0 names

No designation is recorded for this design yet.

IIIExecutions — 1 article

No source in this corpus states which grade any Dugena 597 (Peseux 320) 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:dugena-597/unknown

Specifications

Property	Value	Scope	Status
Jewels build.jewel_count	17	—	staged
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	3.1 mm	—	staged
Frequency osc.frequency_vph	18000 vph	—	staged
Power reserve (typical) power.reserve_typical_h	40 h	—	staged
Winding mode wind.mode	manual	—	staged

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 · 1

Where this construction came from. Read up the arrows.

Peseux 320
ébauche of

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

Dugena family/generations block

authority: ranfft2 members

Sources

1
Internet Archive
https://web.archive.org/web/20230907043101/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&0&2uswk&Dugena_597&
archivetier 2retrieved 2023-09-0711 facts on this page
2
Internet Archive
https://web.archive.org/web/20230907043429/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&0&2uswk&Dugena_599&
archivetier 2retrieved 2023-09-071 fact on this page
3
Internet Archive
https://web.archive.org/web/20181106123555/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&a0&2uswk&Cortebert_309
archivetier 2retrieved 2018-11-061 fact on this page
4
Internet Archive
https://web.archive.org/web/20191023071646/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&a0&2uswk&Dugena_3800
archivetier 2retrieved 2019-10-231 fact on this page
5
Internet Archive
https://web.archive.org/web/20171030235158/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&140&2uswk&Lip_R105
archivetier 2retrieved 2017-10-301 fact on this page