A7750 Hand Size

[dbutlerman]

Howdy -

Got a question for the movement people out there. I've been working on my 3717 and have a question. From what I understand the hands from my 3717 (A7750 movement) won't fit ETA/Valjoux Swiss 7750. Then I stumbled across this website that sells A7750 movements (http://www.wltnp.com/Asian%20movement.htm) and according to their specs, the A7750 movement would accepts ETA hands. Can somebody offer a definitive answer to what are the hand sizes for an A7750 and what are the hands sizes for a Swiss 7750?

Thanks!

DB2

[ubiquitous]

Should be:

Swiss-

Hour 2.00mm

Minute 1.20mm

Center Seconds 0.25mm

Subdials 0.17mm

Asian (21600)-

Hour 2.00mm

Minute 1.20mm

Center Seconds 0.20mm

Subdial 0.20mm

[dbutlerman]

Does it matter if it is the High Beat 28,800 A7750?

[ubiquitous]

Oops... Sorry, got my wires crossed.

High beats have the hand sizes outlined above. Slow beats should have the same size as Swiss 7750s...

[Ronin]

Correct. A7750 21.6 = Compatible hands sizes. A7750 28.8 differs.