Family line
Dugena 3807 (Peseux 7001)
Based-on star (WatchBase sense)6 calibers5 lineage edges0 related edgesdesign:dugena-3807compare specs · 6
This profile traverses clone_of · derived_from · ebauche_of · revision_of · variant_of and keeps disputed edges. Every edge in this view carries at least one reference.
Same caliber, other senses of “family”Everything (debug) · 6 calibersHeritage · 6 calibersParts cluster (Jules Borel sense) · 1 calibersManufacturer-internal (Ranfft sense) · 1 calibers
Edge types in this family
accepteddisputedcontested region
Generations run left to right, ancestors first, and the axis along the top is ordinal rather than linear: each band is one generation, labelled with the range of sourced introduction years it contains. A band reads “—” when no caliber in it has a year anyone published — the gap is the finding, not a rendering failure. Dotted arcs above and below the drawing are related edges — successor, drop-in, no-derivation — which are stored in a different table from lineage and can never form part of an ancestry path.
Every edge in this view
| Caliber | Relationship | To | Status | Detail | Sources |
|---|---|---|---|---|---|
| NOMOS Alpha | derived from lineage | Peseux / ETA 7001 | accepted | interchange note: NOT a clone and not sold as a drop-in: NOMOS took the Peseux architecture in-house rather than copying it for parts compatibility. Dimensions (23.3 × 2.6 mm), jewel count (17), frequency (21,600 vph) and power reserve (43 h) are all unchanged from the 7001; the plates become a Glashütte three-quarter plate, the decoration is German-school, and a stop-seconds mechanism is added. · component delta: main_plate,bridges,keyless_works,decoration | |
| NOMOS DUW 4001 | revision of lineage | NOMOS Alpha | accepted | interchange note: Published specification otherwise identical to the Alpha’s: 17 jewels, 23.3 × 2.6 mm, 21,600 vph, 43 h, hacking small seconds. The delta is the regulating organ, which moves from an outsourced module to the in-house Swing System. · component delta: escapement_architecture,balance_wheel,balance_spring | |
| NOMOS DUW 4601 | derived from lineage | NOMOS Alpha | accepted | interchange note: Two-part construction: an Alpha-descended base in the centre plus a date ring on the PERIPHERY rather than a date disc on top, which is what keeps it at 2.8 mm with two date displays. Power reserve 43 h → 52 h on a new winding-spring material; skeletonised balance cock exposes the Swing System; quick-set date from the crown’s second position. · component delta: barrel,mainspring,gear_train,calendar_mechanism,escapement_architecture | |
| Dugena 3807 (Peseux 7001) | ébauche of lineage | Peseux / ETA 7001 | staged | — | |
| Girard-Perregaux 101 (Peseux 7001) | ébauche of lineage | Peseux / ETA 7001 | staged | — |
Sources
- 1Monochrome Watcheshttps://monochrome-watches.com/first-look-nomos-tetra-origins-ochra-terra-salvia-basalt-duw-4001-specs-price-live-pics/presstier 2retrieved 2026-08-242 facts on this page
- 2Monochrome Watcheshttps://monochrome-watches.com/revisiting-the-most-classic-nomos-the-35mm-hand-wound-tangente-review-price/presstier 2retrieved 2026-08-241 fact on this page
- 3Monochrome Watcheshttps://monochrome-watches.com/nomos-metro-38-date-duw-4601-hand-wound-price-review/presstier 2retrieved 2026-08-241 fact on this page
- 4Monochrome Watcheshttps://monochrome-watches.com/nomos-tangente-2date-new-hand-wound-calibre-duw-4601-in-house-movement-review-specs-price/presstier 2retrieved 2026-08-241 fact on this page
- 5Internet Archivehttps://web.archive.org/web/20191021024412/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&a0&2uswk&Dugena_3807archivetier 2retrieved 2019-10-211 fact on this page
- 6Internet Archivehttps://web.archive.org/web/20220704151229/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&&2uswk&Girard-Perregaux_101archivetier 2retrieved 2022-07-041 fact on this page