Comments on the history of the quartz watch
A book has been published on the history of timekeeping, On Time: How America Has Learned to Live Life by the Clock, by Carlene E. Stephens of the Smithsonian Institution, 2002. The same author has also created a website devoted to the Quartz Watch. This website includes a timeline that shows how a variety of inventions led to today's quartz watches: www.invention.smithsonian.org/centerpieces/quartz
Stephens, Carlene E., ENGINEERING TIME: INVENTING THE QUARTZ WRISTWATCH, Proceedings of the IEEE International Frequency Control Symposium and PDA Exhibition, pp. 2-3, 2001.
Stephens, Carlene and Maggie Dennis, “Engineering Time: Inventing the Quartz Wristwatch.” British Journal for the History of Science 33(2000): 477-497.