marathon jsar
Marathon JSAR Dive Watch Review
Marathon JSAR The Marathon JSAR is undoubtedly one serious tool divers watch. Rated to 300 meters, ISO 6425 Certified, and with a High Torque Quartz movement, the JSAR is ready to handle whatever you can throw at it. Manufactured in accordance with US Government specification, this watch and others by Marathon have been worn by the US Military for training and battle. This is not marketing speak b...