Also popular among the A-582 models of watches

Shanghai Watch the two types of trial was intended for A591 models use the movement, a presence by the then Shanghai, Tianjin University, imitation Rolex technician and another movement produced by the Soviet Union, 307 experts in the workshop designed for automatic movement, but final plan termination, the movement of the two archives in the former Shanghai Watch Factory was on display before, but because of plant closure, the original model of movement has been missing, this may be the printing of A591 has been circulating is a reason for automatic watches.

 

 

A591 watch now found mainly at developing a number of "light wheel" of the test products, the latter because the factory that the balance of light and some technology not yet mature plant leadership and employees think that the "light wheel" than the grade low-General to "only use light crude stopwatch balance wheel" mentality and set aside; until after 1964, another factory was again involved in the new adjustment.

 

Because the reasons for termination trial, so late "A591" to clean up the back cover of the reasons for inventory and assembly of the A581 movement of the market for sale, so now that most of the A591 and the A581 can not tell the reason.

 

 

Also popular among the A-582 models of watches, check there is no such model.