Marathon Search & Rescue Diver's Automatic men's watch, diving model built to ISO 6425 standards. Designed for use by search and rescue (SAR) divers and released to the United States Marine Corps, the Diver's Automatic is a watch built to withstand the most extreme conditions. The Diver's Automatic is also known as Government Search and Rescue (GSAR).
The Diver's watch is water resistant up to 30 ATM - 300 meters (1000 feet). Its case is 41 mm stainless steel. It uses a scratch-resistant sapphire crystal to ensure that the dial can be read even in direct sunlight or underwater.
This model is powered by a Swiss Made automatic movement.

- Movement: automatic mechanical
- Case size: 41 mm
- Case thickness: 14 mm
- Glass: sapphire
- Water resistance: 30 atm
- Bezel: unidirectional rotating
- Case back: screw
- Band material: rubber
- Dial color: black