Vintage Princeton Tectonics Bottom Timer Stop Watch Filter allowing anglers to focus on

allowing anglers to focus on their prey with the confidence of a speargun that delivers time and time again

Large easy to reach nose pocket makes ear equalization easy even when wearing gloves

Large Teardrop Shaped Window Design Offers Extended Vertical Field of View

For use in all  SLR

snorkeler and water lover

Vintage Princeton Tectonics Bottom Timer Stop Watch Filter allowing anglers to focus onVintage Princeton Tectonics Bottom Timer Stop Watch. This is untested in water. The crown does pull out with allows the needle to be rotated to the 0 position, but any further functionality is unknown. It is a great collectors piece. Included is the original user manual from 1980.