Bulgari Octo Finissimo[1] is the coolest, but not in your price range. Gerald Genta made like all the famous watches: AP Royal Oak, Patek Nautilus, Omega Constellation, Bulgari Octo, Cartier Pasha [2]. In terms of your price range, reddit has price-range guides [3]
1 https://shop.hodinkee.com/products/bulgari-octo-finissimo-10...
2 https://www.geraldgenta-heritage.com/iconic-models
3 https://www.reddit.com/r/Watches/comments/4o86qy/rwatches_bu...