Calcutta Catalina Original Series Sunglasses Locks Built-in dual-channel AIS receiver with

Built-in dual-channel AIS receiver with AIS plot functionality

Shelf-life: Charge every 3-6 months

5/8” shaft

no matter how far off the grid you go

Compatible with Leupold post-2004 Rifle Scopes with 52mm Objective lenses

Calcutta Catalina Original Series Sunglasses Locks Built-in dual-channel AIS receiver withCalcuttas Catalina sunglasses would fit in equally well on a Hollywood set or on the deck of a sportfishing boat thanks to a stylish design and 1. 0mm Triacetate polarized lenses. 100% UV protection 1. 0mm Triacetate (TAC) polarized lenses Fade resistant frame Integrated hinge will stand up to repeated use Authentic Calcutta logo 1 year limited warranty