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The Encyclopedia of Horology

Electric wristwatch · USA

Hamilton Ventura (1957)

Partially verified

The asymmetric-cased model that launched the Hamilton 500 battery movement.

Technical facts

Movement
Hamilton 500 electric

Historical significance

  • The asymmetric-cased model that launched the Hamilton 500 battery movement.

Diagram

top plate or bridgespillar platebalance and cockwheel train between the plates
Schematic: plate and bridge layout. An outline schematic drawn to show the arrangement of the parts discussed here. It is not a dimensioned working drawing and does not depict a particular maker's calibre.

Sources & references

  1. Hamilton Watch Company published history

Where sources disagree, the disagreement is stated rather than resolved silently.