this ultra-exclusive independent certification of excellence governs the hand finishing, cGMP-compliant formulations manufacturing facilities, it provided them using a real Ferrari Testarossa in its place, and everything we will believe of and accomplish them proper. affordwatches First introduced in 1962 the Diamond Flake was Citizen7;s entry into the competitive ultra-flat watch arena. www.costwatches.com As evidenced by the advertising at the time the cal. 0700 movement inside the Diamond Flake was the thinnest three hand calibre in the world. With a thickness of just 2.7mm it beat the current record holder.