Hamilton Twin Crown Super Compressor Diving Watch Travel This is not a quartz

This is not a quartz watch

As this is auction is for charity

Whether you're looking for a daily wearer or a special occasions-only dress piece

and that translates into a classic style that works in any decade

this particular Datejust Reference 1601 features a steel case

Hamilton Twin Crown Super Compressor Diving Watch Travel This is not a quartzSuper Compressor diving watches are a category worthy of study to any vintage sports watch enthusiast. The name refers their case design; a "compressor" system was designed to become more watertight the deeper the watch went under water. The secret was a gasket system in the case back that was compressed as the water pressure increased. Although compressor cases proved to be more complicated to make and no more effective than well designed screw