Marathon 41mm NAV-D Type II - Pilot's Quartz
Marathon 41mm NAV-D Type II - Pilot's Quartz
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Marathon 41mm NAV-D - Tactical Timepiece for Advanced Flight Missions
The Pilot’s Navigator with Date (NAV-D) is the evolution of the classic aviator's navigation watch, developed in collaboration with Kelly Air Force Base in 1986 and rigorously upgraded in 2019. This Sage Green NAV-D edition features a red-tipped second hand, a 4:30 date window, and combines a lightweight, high-impact fiber case with a high-torque quartz movement, offering the most reliable timekeeping for both flight crews and ground units.
Precision & Military Standard
- Powered by the ETA FØ6 High-Torque Quartz Movement, featuring 3 jewels and EOL (End-of-Life) indicator, signaling low battery by a 4-second interval in the second hand.
- Tritium gas tubes on the dial and hands ensure luminous visibility even in complete darkness.
- Bi-directional 12-hour GMT bezel enables simultaneous tracking of two time zones, ideal for aviation navigation and cross-regional operations.
- 6 ATM (60 meters / 195 feet) water resistance, ensuring reliable performance in various flight and operational environments.
- Lightweight high-impact fiber composite case, enhancing shock resistance and durability while meeting military-grade lightweight requirements.
Comfortable & Functional Design
- Sapphire crystal lens, offering exceptional scratch resistance to ensure long-term legibility.
- Distinctive Red-Tipped second hand design enhances visibility and readability for precise flight and military timing.
- Screw-down crown further strengthens the watch’s water and dust resistance, with a convenient quick-change battery design.
- Comes with a standard 20mm ballistic nylon strap, offering lightweight comfort and superior durability, perfect for high-intensity fieldwork or operational environments.
Swiss Precision Craftsmanship
- Each watch is meticulously handcrafted in La Chaux-de-Fonds, Switzerland, showcasing the pinnacle of Swiss watchmaking excellence.
Marathon: The Leader in Military Timepieces
Marathon Watch Company has been serving NATO forces, military units, and professional rescue teams since its inception in 1939. Combining Swiss craftsmanship with military-grade standards, Marathon and its Navigator series have become indispensable partners for military timekeeping.
Technical Specifications
NSN | 6645-01-699-5590 |
Movement | ETA High-Torque FØ6 Quartz Movement with EOL Indicator |
Jewels | 3 jewels |
Date Type | 4:30 Date Display |
Luminous Function | Tritium Gas Tubes |
Case Material | High-Impact Fiber Composite (Matte Finish) |
Water Resistance | 6 ATM (60 meters / 195 feet) |
Crystal Material | Sapphire |
Crown Type | Screw-down Crown |
Bezel Type | Bi-Directional (12-Hour Scale) |
Case Diameter | 41mm |
Case Thickness | 11mm |
Lug Width | 20mm |
Lug-to-Lug Distance | 48mm |
Strap Material | 20mm Ballistic Nylon Strap |


















