August 2013

Movement 987 – 17 Jewels The 987 is a 6/0 size movement with 17 ruby and sapphire jewels. Hamilton improved the movement adding an Elinvar hairspring, mono-metallic balance wheel and improved friction jeweling. Hamilton used nickel plating for bridges and jewel plates. On the wristwatch side of the watch business, aviators kicked-off a spurt of […]

Second Generation od Wristwatch Movements: 987 Caliber 6/0986 Caliber 6/0 — without the second hand Hamilton produced these models under the concept of geometrics. The company didn’t change these offerings until 1927, so the title of this article should be Hamilton Wristwatches from 1924 – 1926.  The design lacked originality, but they fit into the

First Wristwatch Movements: 0 – size 981, 983, 985 Caliber6/0 – 986 Caliber Wristwatches were known as “bracelet” models as opposed to pocket watches or timekeepers. Hamilton “Wristwatches for Men” – the name used to identify their four Cushion style bracelets.. History shows that railroad companies had put time standards in place long before journalists