A classic crewneck sweatshirt featuring 3 of the most renowned workhorse watch movements. We display the technical drawings of the defining elements within these movements. This one is for the nerds!
Seiko NH35: Magic lever system allowing for efficient bidirectional winding
ETA 2824: 5 ball bearing system derived originally from the Eterna-matic
Valjoux 7750: cam lever system that actuates this renowned chronograph
