April 2018

Technical Data Hamilton Watch Company LANCASTER, PENNSYLVANIA INDEX T D 107 1000-3-10-30 500-5-26-37 1000-5-21-30 1000-4-25-38 2000-8-10-32 1000-4-14-39 1000-6-15-36 SUBJECT: Fitting Balance Staffs and Jewels. Balance staffs and jewels serve such an important purpose in the perfect performance of a watch that all possible care should be used when fitting new ones.The fitting of a new […]

Technical Data Hamilton Watch Company LANCASTER, PENNSYLVANIA SUBJECT: Hamilton 12 Size Jeweled Motor Barrel T D 104 500-2-26-30  1000-6-15-36 500-5-5-30 1000- 5-26-37 2000-8-10-32 500 -9-22-38 1000-5-25-35 1000- 9-27-39 There are two styles of barrel arbors to be found in the 12 size Hamilton models. On the 900 and 920 models the arbor is held in