thogaa Posted February 26, 2010 Report Share Posted February 26, 2010 Was wondering why the HBB has an A7750 movement when it doesn't have chrono functions? "Movement: Asian 7750 Valjoux Working Chronograph movement, 28800bph , Decorated Insignia Rotor, Working Regulator" Trying to stick to Swiss ETA movements in my simple watches Quote Link to comment Share on other sites More sharing options...
Toadtorrent Posted February 26, 2010 Report Share Posted February 26, 2010 I don't know for sure, but possibly because they get them cheap in the volume they buy and don't have to have a special machining run to get the special rotor. Quote Link to comment Share on other sites More sharing options...
z3k0 Posted February 26, 2010 Report Share Posted February 26, 2010 This here is actually Big Bang King you are talking about. I guess there are few reasons. First, I think gen is also powered by 7750 derived movement, and using movement with same dimensions makes it much easier to have all other measures exactly as gen, i.e. to have 1:1 copy. And, like Toad already said, it's obvious that "makers" get these kind of movements with very good conditions, because they love to use any 7750 variant in all reps. Last, I'm sure there are some three hand movements that would suite this case, but would struggle with driving such huge central seconds hand. regards Quote Link to comment Share on other sites More sharing options...
maxman Posted February 26, 2010 Report Share Posted February 26, 2010 I know there a few three hand gens that use this movement.Like Toad said "they are cheep when purchased In high volum". They are also considerd a very robust movement. Since 1974 this has been the go to movement for many thousands of high end timepices. They are reliable and they can be very accurate when properly regulated. They were designed for complications but they also can be a good movement for the standard three hand when all things are considerd and everything else being equal. Mike Quote Link to comment Share on other sites More sharing options...
jj69 Posted February 26, 2010 Report Share Posted February 26, 2010 The main reason is the position of the date window. The larger 7750 base movement allows them to move the date window closer to the outside of the bezel. The gen King uses the same 7750 base movement. There are reps available with a smaller Swiss movement, but the date window is closer to the center of the dial, which makes the rep look totally wrong. As long as you get the King with the high beat 7750 that runs at 28,800 you will be fine. It's a very reliable movement, and I wouldn't even consider buying a King with any other movement. Quote Link to comment Share on other sites More sharing options...
thogaa Posted February 27, 2010 Author Report Share Posted February 27, 2010 Can I expect a smooth seconds hand or will it jerk along looking like a quartz watch on AC? Can't really judge if it's the video or? http://www.youtube.com/watch?v=9UERTMFvmLc Quote Link to comment Share on other sites More sharing options...
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