Hours Of Operations Key Systems Connecticut Watertown 06795 Key Systems Hours of Operation and Location in Watertown, CT 06795 4.1 - 63 votes 181 Porter St, Watertown, CT 06795 (860) 945-6526 Get Directions Key Systems Hours Category: Electronics Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore WatertownView More Apparel MarshallsKmartCatherinesRed BarnEvo Sports Evo Jewelry Marshalls Recommend For You Solutions Incorporated Carpet & Upholstery Cleaning Carpet Cleaning & Upholstery Convenience Store Market Street Stop & Shop Market Stop & Shop Supermarket Hollywood Nails Kim's Day Spa Nail Expo