Family treeDugena 3337 (ETA 2761) — Heritage family: 2 calibers, 1 sourced lineage link.Drag to explore.

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accepteddisputed

Sense of “family”Heritage · 2Everything (debug) · 2 Parts cluster (Jules Borel sense) · 1 Manufacturer-internal (Ranfft sense) · 1 Based-on star (WatchBase sense) · 2 Open the full family view →

movement

Dugena 3337 (ETA 2761)

maker not sourcedyear not sourceddesign:dugena-3337compare specs · 2

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

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 3337 (ETA 2761) 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-3337/unknown

Specifications

Property	Value	Scope	Status
Jewels build.jewel_count	17	—	staged
Date correction disp.date_quickset	crown	—	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	4.7 mm	—	staged
Frequency osc.frequency_vph	21600 vph	—	staged
Shock protection osc.shock_protection	incabloc	example movement, 1975	staged
Power reserve (typical) power.reserve_typical_h	50 h	—	staged
Hacking seconds wind.has_hacking_seconds	yes	optional execution	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.

ETA 2761
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: ranfft7 members

Sources

1
Internet Archive
https://web.archive.org/web/20181106134511/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&a0&2uswk&Dugena_3337
archivetier 2retrieved 2018-11-0613 facts on this page
2
Internet Archive
https://web.archive.org/web/20181106134433/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&a0&2uswk&Dugena_3324
archivetier 2retrieved 2018-11-061 fact on this page
3
Internet Archive
https://web.archive.org/web/20190822090639/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&0&2uswk&Dugena_3338
archivetier 2retrieved 2019-08-221 fact on this page
4
Internet Archive
https://web.archive.org/web/20191122121222/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&0&2uswk&Dugena_3332
archivetier 2retrieved 2019-11-221 fact on this page
5
Internet Archive
https://web.archive.org/web/20191122121434/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&0&2uswk&Dugena_3334
archivetier 2retrieved 2019-11-221 fact on this page