Marathon Search and Rescue Medium Divers Automatic Wristwatch Black/White Dial

Marathon Search and Rescue Medium Divers Automatic Wristwatch Black/White Dial. Unlike most watches made for diving these Watches from Marathon Watch have a hardened scratch-resistant sapphire crystal that ensures maximum legibility. Ideal for both professional and amateur divers the Marathon Watch Search and Rescue Medium Divers Illuminated Wristwatch is illuminated with tritium gas tubes for up to 25 years. Self-illuminating tritium gas tubes on this Marathon Watch Medium Divers Automatic Wris