And what about this 5513 insert?

[julien99999999]

Hi,
I found that:
https://www.ebay.com/itm/Faded-Mk3-...12-1680-High-quality-aftermarket/153655762797

Any views on this insert and/or this seller?

 

[cheld]

Uh, well, the description says "Aftermarket: not made by Rolex". So I'd say the seller is honest.