Built for professionals and trusted in the field, the Marathon 36mm OSAR-D Diver’s Automatic continues the legacy of the original Search and Rescue (SAR) dive watches first issued to Canadian SAR Technicians in the early 2000s. Designed for reliability in the most demanding environments, this modern re-engineered model combines proven durability with upgraded visibility and precision. Compact yet robust, the 36mm case offers comfortable everyday wear while maintaining true professional-grade performance.