|The Bluewater is one of the most popular Weems & Plath collections. This functional, durable line is based on real working ship''s instruments while maintaining a modern nautical appearance. They feature precision molded high impact black styrene cases with hinged, glare resistant matte finish bezels and glass crystal. A knurled brass locking lug is solidly constructed, making movement and battery easily accessible. The splash resistant case is not susceptible to corrosion and requires little maintenance.Special Features Include: splash resistant ''O'' ring seal, easy access hinged bezel, corrosion proof case, scratch resistant glass crystal, and secure battery clip for open ocean securityProvided with complete instructions, mounting hardware, lifetime warranty, and a fresh battery as required.