This was one of the first commerical, and certainly the first generally afordable, quartz movements. It was designed and developed inhouse by MST in conjuction with General Time USA who supplied the electronics module. The Micro Quartz range was first shown in 1972 at Basel, and the range of 11 quartz watches (men's only) in 4 different case styles (excluding material) was on sale to the public in 1973. The cases included the 619 of this watch, the more conventional 321, the integrated strap model 618 and the compressor cased 403.
The watch shown here is NOS, and has never had a battery fitted, nor the hands adjusted - this is straight from the factory floor, and prior to boxing.
It is a fascinating movement with a conventional escapement, but instead of a balance wheel or more conventional quartz stepper motor, uses a quartz controlled anchor/lever with a pallets.
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