This adapter will fit ProTrek PAW1100. After putting the adapter on the watch,secure it with the factory long spring bar came with the watch. When you disassemble the connecting piece of bracelet. There are 2 piece of spring-bar. Use the longer one. Please check photo for reference. 

Options:
Type 1 for Watch strap, Type 2 for watch band

Colors:
Resin Black, Transparent. 

Recommended Size 22mm

This list is intent to sell the adapter only. Watch, Spring-bar, and watch strap & bands are not included.