Marathon 41mm SSNAV-D AUTO Type II - Pilot's Automatic on Nylon DEFSTAN

Marathon 41mm SSNAV-D AUTO Type II - Pilot’s Automatic Watch: Military Durability with Automatic Winding

Marathon 41mm SSNAV-D AUTO Type II (Steel Navigator w/ Date Automatic) is the first in the Steel Navigator series, originally launched in 1986, to feature an automatic mechanical movement. This pilot’s watch is powered by the Sellita SW200-1 movement with an Incabloc® shock protection system, delivering precise and reliable timekeeping performance. The durable 316L stainless steel case, treated with Parkerized finishing, is paired with a screw-down crown and a sapphire crystal, achieving a water resistance rating of 10 ATM (100m/300ft). The raised 12-hour bidirectional rotating GMT bezel enables quick dual-time tracking, complemented by a robust Nylon DEFSTAN Strap for comfort and stability during flights, parachuting, or daily adventures.

Military-Grade Specifications, Exceptional Precision

• Powered by the Sellita SW200-1 automatic movement, featuring an Incabloc® shock protection system with 26 jewels for superior stability and long-term durability.
• The 316L stainless steel case undergoes Parkerized treatment, offering corrosion resistance and a rugged military aesthetic.
• The dial and hands feature Tritium gas tubes for constant luminescence, ensuring clear readability in the dark without external light sources.
• 12-hour bidirectional rotating GMT bezel with raised markers, designed for easy operation even with gloves on.
• The screw-down crown and reinforced waterproof construction provide 10 ATM (100m/300ft) water resistance, suitable for extreme mission environments.

Comfortable and Durable Strap Configuration

• Equipped with a 20mm Nylon DEFSTAN Strap, meeting the UK Ministry of Defence standards (DEF STAN), crafted from high-strength nylon material with excellent tensile strength and abrasion resistance, maintaining comfort even during extended wear.
• Metal buckles are available in stainless steel or Parkerized finishes, enhancing the overall durability and aesthetic appeal.
• Features enlarged drilled lugs for quick strap changes, catering to different environments and personal style preferences.

Heritage of Excellence: The New Automatic Steel Navigator

Since its debut in 1986, the Steel Navigator series has been trusted by pilots and military units worldwide. The SSNAV-D AUTO retains its iconic asymmetrical case design while introducing an automatic movement with enhanced shock protection and a date window positioned at 4:30. This design offers exceptional stability and long-lasting durability for pilots, parachute instructors, and adventurers both in the air and on the ground.

Marathon: A Pioneer in Military Timekeeping

Founded in 1939, the Marathon Watch Company has specialized in crafting high-quality military watches, widely adopted by NATO, the U.S. military, and various law enforcement agencies. The SSNAV-D AUTO is designed in Canada and Swiss-made, combining rigorous military standards with advanced watchmaking craftsmanship to showcase Marathon’s deep expertise in aviation timekeeping.

Technical Specifications