Marathon 41MM Steel Navigator with Date Automatic (SSNAV-D Auto)

The First Automatic Movement Navigator Watch: Marathon 41mm Steel Navigator w/ Date Automatic (SSNAV-D Auto) with Ballistic Nylon Strap

Marathon 41mm Steel Navigator w/ Date Automatic (SSNAV-D Auto) is the first Steel Navigator watch equipped with an automatic winding movement. This timepiece combines Swiss precision and reliability, specifically designed for pilots and everyday adventurers. It continues the legacy of the original steel navigator watch developed in 1986 in collaboration with Kelly Air Force Base.

All-Terrain Capable

• Powered by the Sellita SW200-1 automatic movement with 26 jewels, featuring an Incabloc® shock protection system for enhanced resilience against vibrations and impacts.
• Revives the classic pilot watch style from the pre-1980s era, with a date display positioned at 4:30.
• Constructed with a 316L surgical-grade stainless steel case, a screw-down crown, and a sapphire crystal, offering water resistance up to 10 ATM (100 meters/300 feet).

Refined Design Enhancements

• The case design has been improved to enhance the taper of the lugs, making the watch more comfortable and secure for all-day wear.
• The 12-hour GMT bezel has been raised for better grip, allowing for easy operation even with flight gloves.
• The bezel markings feature an embedded lacquer design to enhance readability and clarity.

High-Performance Luminous Features

• Self-illuminating tritium gas tubes are applied to the hour markers and all hands, ensuring superior legibility in low-light environments.
• The tritium gas tubes do not fade over time, ensuring the watch remains clearly visible at all times.

Pressure-Resistant, Scratch-Proof Sapphire Crystal

• The sapphire crystal can withstand extreme pressure changes, which is particularly important for military pilots operating at altitudes above 35,000 feet.
• It offers excellent scratch resistance, maintaining the clarity of the dial, making it the best material for watch crystals today.

Professionally Designed Ballistic Nylon Strap

• Equipped with a Ballistic Nylon strap, known for its exceptional durability, capable of maintaining a stable wearing experience in extreme conditions.
• Lightweight and breathable, making it ideal for military use and everyday wear.

Marathon Watch Company: A Master Military Watchmaker

Marathon Watch Company, founded in 1939 and headquartered in Canada, produces all watches in Switzerland. Since 1941, Marathon has supplied a range of precision timepieces to the U.S. military and various NATO forces. Today, it is the standard-issue watch for the U.S. Army, Navy (USN), Marine Corps (USMC), NASA, Canadian Armed Forces, and numerous law enforcement and government agencies worldwide. As the only active military watch contractor for the U.S. government, Marathon watches combine military durability with Swiss engineering and craftsmanship to ensure the highest levels of quality, precision, and reliability.

Technical Information