Skip to content
Watchnik home
WatchesBrandsMovementsComplicationsGuides
/
WatchesBrandsMovementsComplicationsGuides
Home/Brands/Grand Seiko/Mechanical

Grand Seiko Mechanical watches

The Grand Seiko Mechanical family covers 1 model and 1 references, with case sizes from 39.5 mm.

1 model · 1 reference

HeritageEvolution 9OtherMechanical
Filters

Collections

  • Heritage11
  • Evolution 96
  • Other11
  • Mechanical1
  • Spring Drive1
Size
Case material
Dial colour
Movement type
Movement (calibre)
Water resistance

1 model

  • Grand Seiko Automatic Hi Beat 36000 GMT, reference SBGM221, white dial, stainless steel case
    Grand SeikoAutomatic Hi Beat 36000 GMT1 reference39.5 mm

Movements

Key movements

  • Grand Seiko calibre 9S66 1 reference

Questions

Grand Seiko Mechanical questions

How many Grand Seiko Mechanical watches are on Watchnik?

Watchnik lists 1 Grand Seiko Mechanical models and 1 references.

What case sizes do Grand Seiko Mechanical watches come in?

Recorded case diameters run from 39.5 mm across the 1 references.

Which movement is used most in Grand Seiko Mechanical watches?

The Grand Seiko calibre 9S66 appears in the most references, 1 of them.

Sources

Sources and last updated

Specifications are compiled from watch database records and manufacturer information; missing values are shown as not yet recorded, never estimated. Data last updated 26 September 2026. How we source our data

Watchnik

An independent reference for watch specifications, movements and history.

ExploreWatchesBrowse listsBrandsMovementsComplicationsGuides
BrandsRolexOmegaSeikoTAG HeuerPatek PhilippeTudorBreitlingPaneraiGrand SeikoZenithChopardTissotRaymond WeilAll brands
Popular watchesRolex SubmarinerRolex DatejustOmega Speedmaster MoonwatchOmega Seamaster Diver 300MOmega Seamaster Planet OceanOmega Seamaster 300
AboutAbout WatchnikSources and methodologyPrivacyTermsDisclosure
Watchnik is independent and not affiliated with any watch brand. Brand names are trademarks of their owners.Specifications compiled from WatchBase and manufacturer information.