TUNING FORK WATCH COLLECTION

Accutron 214's

Bulova Accutron 214 movement Budget Accutron Service
Bulova Accutron 214 collection Budget Accutron Service
Bulova Accutron 214 pendant clock Budget Accutron Service

Accutron 218's and 219's which have only one coil

Bulova Accutron 218 movement Budget Accutron Service
Bulova Accutron 219 movement Budget Accutron Service
Bulova Accutron 218 collection Budget Accutron Service

Accutron 224's (a Quartz-Tuning Fork hybrid)

Bulova Accutron 224 movement Budget Accutron Service
Bulova Accutron 224 collection Budget Accutron Service

Accutron 230's used for both men's and women's watches - only one coil

Bulova Accutron 230 movement Budget Accutron Service
Bulova Accutron 230 collection Budget Accutron Service

Omega f300 (ESA 9162, 9164) and speedsonic chronograph

Omega f300 movement Budget Accutron Service
f300 type watch collection Budget Accutron Service

Omega F720hz - Megasonic. One coil and a tiny micro motor on the fork. Magnetic geartrain-no teeth.
Also shown, Sears Astrolon manual wind spaceview type watch.

Omega F720 Hz Megasonic movement Budget Accutron Service
f8192 Hz Electroquartz or Beta 21 movement The 4th watch below is a f8192 or Electroquartz. The movement has a quartz regulated tuning fork oscillator which drives a click wheel similar to the Accutron. 
Omega F720 Hz Megasonic collection Budget Accutron Service

Hamilton Electrics

Hamilton Electric 500 Movement Budget Accutron Service
Hamilton Electric 500 collection Budget Accutron Service