flex Posted August 14, 2014 Report Share Posted August 14, 2014 hi everyone -- i am in the process of sourcing parts for an gilt project. it is mainly because i managed to source a gen PCG case-set. the watch would require a either 1530 or 1560 movement. i have a spare 1570 movement on hand. i know that without opening the caseback, the only person that will spot the difference is myself. however since we could get a used 1560 bridge at a fairly reasonable price. has anyone installed the 1560 auto device bridge on a 1570 to make it appear a 1560 at first glance? thanks Flex Quote Link to comment Share on other sites More sharing options...
netniet Posted August 14, 2014 Report Share Posted August 14, 2014 The 1560/1570 movements were based on the 1530 which was introduced (around) 1957, and continued until (around) 1964. The 1560 was introduced (around) 1965, and continued until (around) 1967--it was 26 Jewels/18,000 BPH. The 1570 was also introduced (around) 1965, and continued until (around) 1979, but was 26 Jewels/19,800 BPH. For what it's worth, the rotor bridges, which bear the model numbers on all "15 series" movements, are all interchangeable. It's entirely possible to see a 1530 with a 1570 rotor bridge, or a 1520 with a 1555 rotor bridge, or any other strange combination. Quote Link to comment Share on other sites More sharing options...
flex Posted August 14, 2014 Author Report Share Posted August 14, 2014 Thanks - as what i suspected it. Do you know if there are other parts that i would need to install it on a 1570 movement? Quote Link to comment Share on other sites More sharing options...
netniet Posted August 14, 2014 Report Share Posted August 14, 2014 YW, You don't need any other other parts. Step 1. Step 2: Quote Link to comment Share on other sites More sharing options...
flex Posted August 14, 2014 Author Report Share Posted August 14, 2014 great..but im planning to get the bridge (i.e. the plate between the rotor & movemnt). will the 1570 rotor fit right on a 1560 bridge. thanks Quote Link to comment Share on other sites More sharing options...
netniet Posted August 14, 2014 Report Share Posted August 14, 2014 Yes it will fit, but why not add a butterfly rotor? Quote Link to comment Share on other sites More sharing options...
flex Posted August 14, 2014 Author Report Share Posted August 14, 2014 trying to keep the cost down... Quote Link to comment Share on other sites More sharing options...
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