History and information on the Zodiac Watch Company. Includes pictures and descriptions of many models and technical articles.

TAG Heuer enthusiast website with information on their history, watch collection and a forum.

Articles on such topics as wrist watches, time, how to assess the value of a watch and book reviews.

Watch collecting secrets and tips on caring for vintage watches.

The history of this Rolex diver's watch in text and pictures.

Information for watch enthusiasts including chat rooms, watch forums, numerous articles and on-line watch school.

Vintage wrist and pocket watch information including a resource database of collecting information.

Breitling watch information, models, galleries, forum, and information on spotting replicas.

Historical information for collectors and a detailed bibliography. Also includes a page about the Columbus Watch Company.

Information on watches from the Elgin National Watch Company, its history and technical details. Includes a serial number lookup and many scanned documents.