An enormous compilation of Gruen reference material that can be used by any Gruen collector or Gruen watch restorer. Contains all 4 of the main Gruen Material Catalogs along with very rare versions from 1921, 1926, supplements, etc. All of the Gruen published material information is contained in this book. This reference is a must for Gruen restorers and collectors interested in learning more about the movements and inner workings of Gruen watches.
Lulu Staff has been notified of a possible violation of the terms of our Membership Agreement. Our agents will determine if the content reported is inappropriate or not based on the guidelines provided and will then take action where needed.
Thank you for notifying us. We will email you with the results and/or actions taken as a result of the investigation if you chose to receive confirmation.