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:longines-633-1/unknown
accepteddisputed
movement
Longines 633.1 (ETA 2824)
bounding evidence — no range is drawn on the era axis
not after 1974
a dated example movement, 1974“1974: S52362594, Longines Watch Co Swiss”
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
Longines 633.1 (ETA 2824)
movement
IIDesignations — 0 names
No designation is recorded for this design yet.
IIIExecutions — 1 article
No source in this corpus states which grade any Longines 633.1 (ETA 2824) 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.
Specifications
| Property | Value | Scope | Status | Sources |
|---|---|---|---|---|
Jewels build.jewel_count | 25 | — | 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 | 4.6 mm | — | staged | |
Movement height geom.height_mm | 4.7 mm | H= 4.7mm with ball bearing | staged | |
Frequency osc.frequency_vph | 28800 vph | — | staged | |
Shock protection osc.shock_protection | incabloc | example movement, 1974 | staged | |
Power reserve (typical) power.reserve_typical_h | 40 h | — | staged | |
Introduced prod.intro_year | 1971 | — | staged | |
Hacking seconds wind.has_hacking_seconds | yes | — | staged | |
Winding mode wind.mode | automatic | — | 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 · 1
Where this construction came from. Read up the arrows.
- ETA 2824ébauche 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.
Sources
- 1Internet Archivehttps://web.archive.org/web/20171031000436/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&143&2uswk&Longines_633_1archivetier 2retrieved 2017-10-3116 facts on this page
- 2Internet Archivehttps://web.archive.org/web/20031116130357/http://www.ranfft.de:80/cgi-bin/bidfun-db.cgi?00&ranfft&0&uswk&Longines_633.1archivetier 2retrieved 2003-11-161 fact on this page
- 3Internet Archivehttps://web.archive.org/web/2023/https://watchbase.com/eta/caliber/2824-2archivetier 3retrieved 2026-08-243 facts on this page
- 4Caliber Cornerhttps://calibercorner.com/eta-caliber-2824-2/curated dbtier 2retrieved 2026-08-242 facts on this pagecited, never crawled
- 5Internet Archivehttps://web.archive.org/web/2021/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&&2uswk&ETA_2824archivetier 2retrieved 2026-08-241 fact on this page
- 6Internet Archivehttps://web.archive.org/web/2021/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&&2uswk&ETA_2824_2archivetier 2retrieved 2026-08-242 facts on this page
- 7Caliber Cornerhttps://calibercorner.com/eta-caliber-2836-2/curated dbtier 2retrieved 2026-08-241 fact on this pagecited, never crawled
- 8Monochrome Watcheshttps://monochrome-watches.com/swatch-groups-powermatic-movement-a-powerful-entry-level-engine/presstier 2retrieved 2026-08-241 fact on this page
- 9professionalwatches.comhttps://professionalwatches.com/tissot-caliber-c07-111/presstier 2retrieved 2026-08-241 fact on this page
- 10chrono24.comhttps://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
- 11Caliber Cornerhttps://calibercorner.com/tissot-caliber-powermatic-80/curated dbtier 2retrieved 2026-08-243 facts on this pagecited, never crawled
- 12watchuseek.comhttps://www.watchuseek.com/threads/powermatic-80.5500630/page-2forumtier 4retrieved 2026-08-242 facts on this page
- 13Caliber Cornerhttps://calibercorner.com/eta-2824-clones/curated dbtier 2retrieved 2026-08-2410 facts on this pagecited, never crawled
- 14chinesewatchwiki.nethttps://chinesewatchwiki.net/Clone_movementswikitier 3retrieved 2026-08-243 facts on this page
- 15Caliber Cornerhttps://calibercorner.com/hk-precision-technology-caliber-pt5000/curated dbtier 2retrieved 2026-08-242 facts on this pagecited, never crawled
- 16Watchguy (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
- 17chinesewatchwiki.nethttps://chinesewatchwiki.net/Tianjin_Seagullwikitier 3retrieved 2026-08-242 facts on this page
- 1817jewelshttps://17jewels.info/movements/s/sea-gull/sea-gull-st2130/curated dbtier 3retrieved 2026-08-241 fact on this page
- 19Caliber Cornerhttps://calibercorner.com/sellita-caliber-sw200-1/curated dbtier 2retrieved 2026-08-242 facts on this pagecited, never crawled
- 20watchrepairtalk.comhttps://www.watchrepairtalk.com/topic/10405-sellitta-sw200-1-eta-2824-2-parts-interchangeability/forumtier 4retrieved 2026-08-241 fact on this page
- 21
- 22Monochrome Watcheshttps://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
- 23Monochrome Watcheshttps://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
- 24
- 25Caliber Cornerhttps://calibercorner.com/stp-caliber-stp1-11/curated dbtier 2retrieved 2026-08-241 fact on this pagecited, never crawled
- 26Internet Archivehttps://web.archive.org/web/20191021052603/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&a0&2uswk&Eterna_12824archivetier 2retrieved 2019-10-211 fact on this page
- 27Internet Archivehttps://web.archive.org/web/20191021031111/http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&a0&2uswk&Eterna_12825archivetier 2retrieved 2019-10-211 fact on this page