Marathon Watch Company has announced the final call for its promotional event featuring a 20% discount on the 41mm USMC Large Diver's Automatic (GSAR). This special offer is scheduled to conclude on March 24 at 3:00 p.m. ET, or while current supplies remain available. The promotion specifically targets the USMC edition which comes equipped with a stainless steel bracelet. This release represents the final production run of the USMC Search & Rescue watches to feature the previous Eagle, Globe, and Anchor insignia. Originally debuted over a decade ago, these timepieces are being positioned as collectible items before the design is retired. The watch features a mechanical movement and is designed for professional search and rescue requirements, maintaining the brand's purpose-built manufacturing standards from its facilities in La Chaux-de-Fonds, Switzerland.