http://www.ebay.com/itm/161812213450Purchases made through these links may earn this site a commission from the eBay Partner Network Seller doesn't even mention those stones on the dial, I'm thinking they were an after sale addition..
341 flagships with diamond studded dials pop up on eBay ever so often. but this is the first time I'vr come across such a 291 conquest. Another rare example that was recently on sale was a 431 ultrachron in my fav case