Which is the best Speedmaster Movement?
Depends on your tastes and as usual with such answers it will vary from person to person… The c.321 is the movement most sought after by collectors because it was the original Speedmaster movement, was the movement used in the first watch worn on the moon as best as anyone has been able to determine. The c.861 and it’s variants (c.863, c.1861, c.1863, etc) have their adherants as well. It’s a strong robust movement with many things to go for it, among them: higher oscillation frequency hence theoritically more accuracy, fewer components leading to fewer production processes (costs) and simpler repairs and adjustments. The c.86x series are 17 jewel movements with all steel parts and Gilt (gold colored plating), whilst the c.186x has an additional jewel, a single nylon part and a Rhodium plating to the movement. There are also many fans of the Lemania 5100 movement (c.1045 in Omega terms) and even some fans of the c.1040/c.1041 movement which is very similar to the c.1045 and offers ma
