My Eastern Watch Collection: Marathon GSAR Government Diver Automatic - Rubber Reference WW194006 - A Lot to like and Very Little to Fault, A Review (plus Video)
Amazon.com: MARATHON 36mm Medium Diver's Automatic (MSAR Auto) Swiss Made Military Issue Milspec Watch with Tritium Illumination (No Government Government, Black Rubber SAR Strap Collection) : Clothing, Shoes & Jewelry
MARATHON GSAR Divers 300m アンスラサイト オートマチック
Marathon Watch Company - Swiss Made Authentic Military Watches – Marathon Watch Europe and UK
Amazon.com: Marathon 41mm Diver's Automatic (GSAR) Swiss Made Military Issue Milspec Watch with Tritium Illumination (US Government, Black Rubber SAR Strap Collection) : Clothing, Shoes & Jewelry