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

Manufacturer

Soprod SA

4 designsCH?–2023-11-08producerCHE-103.512.366agent:soprod

Attribution is time-dependent in this model: a design keeps its identity when a company is absorbed, and only the maker record moves. Every row of the designs table below carries the source for its own attribution.

Family lines

3 of 4 connected2 Heritage lines4 under other senses

4 designs are attributed to Soprod SA. 3 of them sit in 2 recorded family lines under the Heritage sense of the word — each one is drawn below. The other 1 stands alone in this sense, and no other sense of “family” puts it in one either: this corpus records no relative for it — not that none exists.

accepteddisputed
Line 1ETA 2804-2 — Heritage family: 28 calibers, 29 sourced lineage links, 3 contested. 1 of them is attributed to Soprod SA.Drag to explore.
100%overlaydrag to pan · hover a caliber to isolate its line · scroll the page normallyopen the full family view →
CONTESTED · 2 POSITIONSCONTESTED · 1 POSITIONSno derivation between ?drop-in for ?derived from ?variant of ?revision ofderived fromderived fromvariant ofderived fromvariant ofvariant ofvariant ofclone ofclone ofclone ofclone of ?clone ofclone ofclone ofclone ofclone ofclone ofrevision ofrevision ofclone ofclone ofclone ofclone ofébauche ofébauche ofébauche ofETA 2804-2 — open caliber pageETA 2804-2—ETA SA Manufacture Horlogère…1 exec · grade ?ETA 2824 — open caliber pageETA 28241971ETA SA Manufacture Horlogère…1 exec · grade ?ETA 2824-2 — open caliber pageETA 2824-21982ETA SA Manufacture Horlogère Suisse7 execETA 2826-2 — open caliber pageETA 2826-2—ETA SA Manufacture Horlogère…1 exec · grade ?ETA 2836-2 — open caliber pageETA 2836-2—ETA SA Manufacture Horlogère…1 exec · grade ?ETA C07.111 — open caliber pageETA C07.1112011ETA SA Manufacture Horlogère…2 exec · grade ?ETA C07.141 — open caliber pageETA C07.141—ETA SA Manufacture Horlogère…1 exec · grade ?ETA C07.611 — open caliber pageETA C07.611—ETA SA Manufacture Horlogère…2 exec · grade ?ETA C07.811 — open caliber pageETA C07.811—ETA SA Manufacture Horlogère…1 exec · grade ?Eterna 12824 (ETA 2824) — open caliber pageEterna 12824 (ETA 282…1975maker not sourced1 exec · grade ?Eterna 12825 (ETA 2824) — open caliber pageEterna 12825 (ETA 282…1975maker not sourced1 exec · grade ?Eterna 1427 — open caliber pageEterna 14271955Eterna …1 exec · grade ?Ginault 7275 — open caliber pageGinault 7275—Ginau…1 exec · grade ?Hangzhou 6300 / 6301 — open caliber pageHangzhou 6300 / 6301—Hangzhou Watch Facto…1 exec · grade ?Hangzhou 6311 — open caliber pageHangzhou 6311—Hangzhou Watch Facto…1 exec · grade ?PT5000 — open caliber pagePT5000—H.K. Precision Technology (H…1 exec · grade ?ISA S280 — open caliber pageISA S280—ISA (Industrie Suisse d'Auto…1 exec · grade ?Landeron L24 — open caliber pageLanderon L24—Landeron / DEPA Swiss1 exec · grade ?Longines 633.1 (ETA 2824) — open caliber pageLongines 633.1 (ETA 282…1971maker not sourced1 exec · grade ?Liaoning Peacock SL-3000 — open caliber pageLiaoning Peacock SL-3000—Liaoning Peacock1 exec · grade ?Sea-Gull ST21 — open caliber pageSea-Gull ST21—Tianjin Sea-Gull Watch Group1 exec · grade ?Sea-Gull ST2130 / TY2130 — open caliber pageSea-Gull ST2130 / TY2130—Tianjin Sea-Gull Watch Group1 exec · grade ?Sellita SW200 — open caliber pageSellita SW2002003Sellita Watch Co S.A.1 exec · grade ?Sellita SW200-1 — open caliber pageSellita SW200-1—Sellita Watch Co S.A.8 execSellita SW200-2 Power+ — open caliber pageSellita SW200-2 Power+—Sellita Watch Co S.A.1 exec · grade ?Soprod P024 — open caliber pageSoprod P024—Soprod …1 exec · grade ?STP1-11 — open caliber pageSTP1-11—Swiss Technology Production …1 exec · grade ?Valanvron VAL-24 — open caliber pageValanvron VAL-24—Valanvr…1 exec · grade ?
Line 2Soprod A10-2 — Heritage family: 2 calibers, 1 sourced lineage link. 2 of them are attributed to Soprod SA.Drag to explore.
100%drag to pan · hover a caliber to isolate its line · scroll the page normallyopen the full family view →
derived fromSoprod A10-2 — open caliber pageSoprod A10-2—Soprod …1 exec · grade ?Soprod M100 — open caliber pageSoprod M1002016Soprod …1 exec · grade ?
Other senses of “family”4 lines

A cluster profile is a rule for what counts as descent, not an opinion about it. These are the lines this maker’s designs sit in under the site’s other rules — a broader one keeps edge types that the Heritage sense does not traverse, so the same root can appear here with more members. Nothing below is a relationship the corpus does not hold; it is the same claims read under a different filter, and each view says on its own page which edge types it traversed.

LineSenseCalibersThis maker’s
ETA 2804-2Everything (debug)281
ETA 2804-2Based-on star (WatchBase sense)281
Soprod A10-2Everything (debug)22
Soprod A10-2Based-on star (WatchBase sense)22

Corporate history

These edges move ownership and names, never designs. This is why “who made the 7750 in 1978” and “who makes it now” are different questions with different answers about the same construction.

FromRelationToPeriodStatusClaim
Soprod SAowned byfestina-group—acceptedc67805989c203741f
Soprod SAabsorbed intofestina-soprod-suisse?–2023-11-08acceptedcf2f999b536f11760

The export gives these edges a claim id but no inline reference, so the claim id is shown as the citation anchor rather than a source link.

Designs attributed to Soprod SA

DesignationRoleAttributedIntroducedFamilySources
Soprod 9035producerarchive filingno dates given1994stands alone
Soprod A10-2producerno dates given—2 calibers
Soprod M100producerno dates given20162 calibers
Soprod P024producerno dates given—28 calibers

Sources

  1. 1
    Internet Archive
    https://web.archive.org/web/2023/https://watchbase.com/eta/caliber/2824-2
    archivetier 3retrieved 2026-08-243 facts on this page
  2. 2
    Caliber Corner
    https://calibercorner.com/eta-caliber-2824-2/
    curated dbtier 2retrieved 2026-08-242 facts on this pagecited, never crawled
  3. 3
    Internet Archive
    https://web.archive.org/web/2021/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&&2uswk&ETA_2824
    archivetier 2retrieved 2026-08-241 fact on this page
  4. 4
    Internet Archive
    https://web.archive.org/web/2021/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&&2uswk&ETA_2824_2
    archivetier 2retrieved 2026-08-242 facts on this page
  5. 5
    Caliber Corner
    https://calibercorner.com/eta-caliber-2836-2/
    curated dbtier 2retrieved 2026-08-241 fact on this pagecited, never crawled
  6. 6
    Monochrome Watches
    https://monochrome-watches.com/swatch-groups-powermatic-movement-a-powerful-entry-level-engine/
    presstier 2retrieved 2026-08-241 fact on this page
  7. 7
    professionalwatches.com
    https://professionalwatches.com/tissot-caliber-c07-111/
    presstier 2retrieved 2026-08-241 fact on this page
  8. 8
    chrono24.com
    https://www.chrono24.com/magazine/eta-movements-from-the-2824-2-to-the-powermatic-80-p_80840/
    presstier 2retrieved 2026-08-241 fact on this page
  9. 9
    Caliber Corner
    https://calibercorner.com/tissot-caliber-powermatic-80/
    curated dbtier 2retrieved 2026-08-243 facts on this pagecited, never crawled
  10. 10
    watchuseek.com
    https://www.watchuseek.com/threads/powermatic-80.5500630/page-2
    forumtier 4retrieved 2026-08-242 facts on this page
  11. 11
    Caliber Corner
    https://calibercorner.com/eta-2824-clones/
    curated dbtier 2retrieved 2026-08-2411 facts on this pagecited, never crawled
  12. 12
    chinesewatchwiki.net
    https://chinesewatchwiki.net/Clone_movements
    wikitier 3retrieved 2026-08-243 facts on this page
  13. 13
    Caliber Corner
    https://calibercorner.com/hk-precision-technology-caliber-pt5000/
    curated dbtier 2retrieved 2026-08-242 facts on this pagecited, never crawled
  14. 14
    Watchguy (service logs)
    https://watchguy.co.uk/comparison-sea-gull-st2130-eta-2824-2-peacock-sl3000/
    first handtier 2retrieved 2026-08-241 fact on this page
  15. 15
    chinesewatchwiki.net
    https://chinesewatchwiki.net/Tianjin_Seagull
    wikitier 3retrieved 2026-08-242 facts on this page
  16. 16
    17jewels
    https://17jewels.info/movements/s/sea-gull/sea-gull-st2130/
    curated dbtier 3retrieved 2026-08-241 fact on this page
  17. 17
    Caliber Corner
    https://calibercorner.com/sellita-caliber-sw200-1/
    curated dbtier 2retrieved 2026-08-242 facts on this pagecited, never crawled
  18. 18
    watchrepairtalk.com
    https://www.watchrepairtalk.com/topic/10405-sellitta-sw200-1-eta-2824-2-parts-interchangeability/
    forumtier 4retrieved 2026-08-241 fact on this page
  19. 19
    Sellita SA
    https://www.sellita.ch/
    manufacturertier 1retrieved 2026-08-241 fact on this page
  20. 20
    Monochrome Watches
    https://monochrome-watches.com/a-technical-perspective-industry-news-sellita-sw200-2-power-automatic-movement-upgrade-specs/
    presstier 2retrieved 2026-08-241 fact on this page
  21. 21
    Monochrome Watches
    https://monochrome-watches.com/inside-sellita-the-giant-supplier-of-mechanical-movements-behind-the-scenes-watch-industry/
    presstier 2retrieved 2026-08-241 fact on this page
  22. 22
    Wikipedia
    https://en.wikipedia.org/wiki/Sellita
    wikitier 3retrieved 2026-08-241 fact on this page
  23. 23
    Caliber Corner
    https://calibercorner.com/stp-caliber-stp1-11/
    curated dbtier 2retrieved 2026-08-241 fact on this pagecited, never crawled
  24. 24
    Internet Archive
    https://web.archive.org/web/20191021052603/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&a0&2uswk&Eterna_12824
    archivetier 2retrieved 2019-10-211 fact on this page
  25. 25
    Internet Archive
    https://web.archive.org/web/20191021031111/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&a0&2uswk&Eterna_12825
    archivetier 2retrieved 2019-10-211 fact on this page
  26. 26
    Internet Archive
    https://web.archive.org/web/20171031000436/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&143&2uswk&Longines_633_1
    archivetier 2retrieved 2017-10-311 fact on this page
  27. 27
    Caliber Corner
    https://calibercorner.com/soprod-caliber-m100/
    curated dbtier 2retrieved 2026-08-243 facts on this pagecited, never crawled
  28. 28
    Internet Archive
    https://web.archive.org/web/20230901233210/http://ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&0&2uswk&Soprod_9035
    archivetier 2retrieved 2023-09-011 fact on this page