Piaget Onyx Dial White Gold ref 14101 Beta 21 MovementAn important step in the Quartz story This is a very interesting and rare Piaget with Onyx dial and Beta 21 movement. Piaget is well known as being one of the preeminent makers of stone dials and this white gold, triple step case houses a flawless dial made in onxy, simply signed Piaget. Its not only interesting on the outside however; the watch houses a Beta 21 movement. In the early 60s, a number of prominent brands collaborated on the development