Marathon Steel Navigator SSNAV-D AutovsLongines Spirit Pilot
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Steel Navigator SSNAV-D Auto

Spirit Pilot
Diameter
41mm
39mm
Lug-to-Lug
48mm
47.2mm
lowest
Thickness
11mm
lowest
11.5mm
Water Resistance
60m
100m
highest
Power Reserve
n/a
72h
MSRP
$1,400
lowest
$3,100
Movement
Sellita SW220-1
Longines L888.4
Case
6 specsCrystal & Dial
3 specsMovement
4 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Marathon Steel Navigator SSNAV-D Auto is praised for its ruggedness and tank-like build, with owners noting its ability to accommodate various straps and bracelets, and the OEM bracelet is specifically mentioned for its design and feel. Reviewers highlight its sandblasted steel case, asymmetrical design, improved lugs, bi-directional bezel with excellent action, and sapphire crystal. The watch features constant visibility from self-illuminating tritium gas tubes. Some owners find it thicker and heavier than other Navigator models. Overall, owners rate the Marathon Steel Navigator SSNAV-D Auto highly for its rugged build and tritium illumination.
Owners widely praise the Longines Spirit Pilot for its exceptional finishing with sharp edges and crisp transitions, as well as its improved wearability thanks to the 39mm case and reduced lug-to-lug distance. The gilt dial is considered a modern complement to the black dial, and many find the watch offers great value, feeling more expensive than its price. The L888.4 automatic movement provides a 72-hour power reserve and COSC certification. Some owners note the bracelet lacks quick-release and has long endlinks, and one user expressed concern over the serviceability of exclusive movements. The removal of the five stars from the dial was a disappointment to some. Overall, owners and reviewers rate the Longines Spirit Pilot highly for its refined finishing and comfortable wearability at its price point.
The 39mm case size and micro-adjustment clasp are significant improvements. The removal of the five-star logo from the dial is also a shared positive point. Reviewers did not reach a consensus on any weaknesses.
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