Hello WUS,Linde Werdelin SpidoLite Carbon Tech (xx/75). Based off of LW's two fastest selling models (Tech Green, Tech Gold), both sold out. Hybrid LW-04 movement made by haute horologist, Concepto. Audemars Piguet and Richard Mille composite found in a independent manufacturer based out of Denmark. Purchased directly from LW (10-1-2018). Buy with confidence, many references/transactions on RF and WUS. Selling to purchase another Linde Werdelin. Skeletonized upper dial, Ctes de Genve lower dial. Forged carbon case, proprietary movement ring constructed in ALW. 25 micron treatment with a microbill satin finish. Ceramic bezel. 42hr power, 44mm width and a balance frequency of 28,800vph, 4Hz.$7,250. Local NYC pickup, PP gift accepted.