The Navy SEAL 3500 Series – NSF Edition was created in collaboration with the NSF to complement the main collection. It showcases a blue dial with yellow highlights, representing the NSF colors, and boasts the NSF logo etched on the caseback. Crafted from ultralight and ultra-tough CARBONOX™, this timepiece also incorporates Luminox’s Light Technology, ensuring visibility in all lighting environments for a remarkable 25 years.