The development of the model 66 movement from 1930.
| Model | Description | Comment | Sorting Date | Date | Details | |
|---|---|---|---|---|---|---|
| Westclox 66 Movement Usa |  | Early example of a model 66 movement. Movement and case back only. Has dial spacing brackets like the 4 inch movement. | Movement 1930-12-01 | Movement 12 30 | Movement Date Location: Outside front plate by T3; Minute Wheel Fastening: No Fastening; Movement Material: Brass Movement Plates | |
| Westclox 66 Movement Usa |  | Movement only. | Movement 1931-11-01 | Movement 11 31 | Movement Date Location: Outside front plate by T3; Minute Wheel Fastening: C-Clip; Alarm Set Knob Fastening: Threaded (screw-on); Movement Material: Brass Movement Plates | |
| Westclox 66 Movement Usa |  | Movement only. | Movement 1934-03-01 | Movement 3 34 | Movement Date Location: Outside front plate by T3; Alarm Set Knob Fastening: Threaded (screw-on); Movement Material: Brass Movement Plates | |
| Westclox 66 Movement Usa |  | Movement and Bantam dial only. | Movement 1935-09-01 | Movement 9 35 | Movement Date Location: Outside Front Plate on Both Sides of Alarm Escape Wheel; Movement Material: Brass Movement Plates | |
| Westclox 66 Movement Usa |  | Movement with Bingo dial and hands. | This movement has the same features as the one dated 9 35, I show it here for the front view. | Movement 1935-12-01 | Movement 12 35 | Movement Date Location: Outside Front Plate on Both Sides of Alarm Escape Wheel; Movement Material: Brass Movement Plates |
| Westclox 66 Movement Usa |  | Waralarm movement and dial. Brass escape wheel, other wheels steel except for brass cannon pinion. | Movement 1943-12-01 | Movement 12 43 | Movement Date Location: Outside Front Plate on Both Sides of Alarm Escape Wheel; Gear Material: Steel Gears; Movement Material: Steel Movement Plates | |
| Westclox 66 Movement Usa |  | Movement only. | Movement 1945-11-01 | Movement 11 45 | Movement Date Location: Outside Front Plate on Both Sides of Alarm Escape Wheel; Movement Material: Brass Movement Plates | |
| Westclox 66 Movement Usa |  | Movement plates only. | Movement 1951-12-01 | Movement 12 51 | Movement Date Location: Inside Front Plate on Both Sides of Alarm Escape Wheel; Movement Material: Brass Movement Plates | |
| Westclox 66 Movement Usa |  | Movement only. | Movement 1953-01-01 | Movement 1 53 | Movement Date Location: Inside Front Plate on Both Sides of Alarm Escape Wheel; Movement Material: Aluminum Movement Plates | |
| Westclox 66 Movement Usa |  | Movement only. Steel gears except for escape wheel. | Movement 1956-06-01 | Movement 6 56 | Movement Date Location: Inside Front Plate on Both Sides of Alarm Escape Wheel; Gear Material: Steel Gears; Movement Material: Aluminum Movement Plates |
