Time Pieces, Parts & More. 1920 Elgin grade 345 12S 17 Jewels Octagon Case Pocket Watch – Serviced. This Elgin grade 345 movement has been overhauled and it is keeping excellent time. Very good condition for age. Some signs of wear and use as shown. If you are purchasing a watch band or part, it is your responsibility to ensure that the sizing is correct for your watch. Measurements and specifications are included in the description and we can always provide additional information upon request. We take great care in packaging the items to assure they arrive safely at your hand. This is the safest option for both parties. We are a small business and operate on slim margins. We will only accept return when an error was made on our end e. Discrepancy or misrepresentation in the description.