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41mm Steel Navigator (SSNAV) on Nylon DEFSTAN

€864,00 Regular price €960,00

Price includes taxes and fees.

A robust tool watch that represents a fully re-engineered upgrade to Marathon’s original Steel Navigator, developed in partnership with the Kelly Air Force Base in 1986. The Steel Navigator boasts enhanced functionality and unmatched accuracy that caters to pilots, parachutists, and adventurers.
SKU: WW194001SS-0802

Two year warranty

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41mm Steel Navigator (SSNAV) on Nylon DEFSTAN

€864,00 EUR Regular price €960,00 EUR










With the ETA F06.412 HeavyDrive-PreciDrive Quartz movement, the 41mm Steel Navigator (SSNAV) stands out with unmatched precision, featuring accuracy of ± 10s/year. The SSNAV is built from 316L surgical-grade stainless steel with a screw-down crown and synthetic sapphire crystal, making it operational even when submerged to 10ATM (100m/300ft).

The refreshed case design features enhanced lug tapering, providing a comfortable fit making the SSNAV ideal for all-day wear. The increased height of the 12HR GMT bezel is specially designed to provide improved grip, allowing pilots to easily handle the bi-directional rotation while wearing flight gloves. The bezel also features inset-painted indices, enhancing the legibility of the markings.

Self-contained tritium gas tubes on the hour markers, and minute/hour hands ensuring constant visibility in low-light environments. Tritium tubes are self-illuminating, containing an isotope of hydrogen that won't dull down over time like photoluminescent paint, meaning the watch will remain fully legible at all hours.

Protecting the dial of the SSNAV is a highly durable sapphire crystal. This allows the watch to withstand extreme changes in air pressure – necessary for the watch’s use by military pilots at altitudes of over 35,000ft – while also providing scratch resistance and pristine clarity. The SSNAV is Swiss-made and Canadian-designed for premium quality and craftsmanship.

Technical Information

Movement: ETA F06.412 HeavyDrive-PreciDrive Quartz

No of Jewels: 3

Scale Quantity: 2

Scale Range: 1-12 (13-24)

Calendar Type: N/A

Luminous Features: Tritium Gas Tubes

Crystal Material: Sapphire

Crown Type: Screw-Down

Case Material: 316L Stainless Steel

Case Finish: Parkerized

Bezel Type: Bi-Directional

Bezel Scale: 12 Hour

Submersibility: 10 ATM

Re-Engineered For Premium Performance

A direct descendant of Marathon’s original Steel Navigator developed in the 1980’s, the 41mm Steel Navigator (SSNAV) includes many upgrades inside and out.

Ultimate Accuracy

Now the most precise timepieces in the Marathon electric watch lineup, the Steel Navigator Series features an accuracy of ± 10s/year, operating at 32’768 Hz. This is made possible by the combination of ETA’s venerable quartz technology, as well as customizations specifically for Marathon.

The Navigator Pilot Series

Marathon Navigator (NAV) watches were originally developed in partnership with Kelly Air Force Base in 1986. The NAV Series consists of timepieces engineered to stand up to the rigours of high-altitude flight — and even possible ejection from a fighter aircraft. Featuring an iconic asymmetrical case design available in both 316L stainless steel and high-impact composite fibreshell for ultra-light durability, each watch is equipped with a sapphire crystal tolerant of rapid changes in air pressure; a continuously glowing dial; and a bi-directional bezel with the ability to track a second time zone.


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