Marathon Steel Navigator SSNAV-D QuartzvsMomentum Smokejumper Eclipse
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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 Quartz

Smokejumper Eclipse
Diameter
41mm
42mm
Lug-to-Lug
48mm
lowest
50.5mm
Thickness
11mm
lowest
11.5mm
Water Resistance
60m
100m
highest
Power Reserve
n/a
144h
MSRP
$1,300
$299
lowest
Movement
Swiss High-Torque Quartz
Seiko VS43
Case
6 specsCrystal & Dial
1 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners and reviewers widely praise the Marathon Steel Navigator SSNAV-D Quartz for its highly accurate Swiss High-Torque Quartz movement, rated at ±10 seconds per year, and its practical tool-watch design. The watch features tritium lume, a bi-directional bezel with excellent action, and a sandblasted steel case with drilled lug holes. Some owners find the DEFSTAN NATO strap's keeper design less practical for managing the strap tail, and a few note that the case's asymmetric design deviates from current aesthetic trends. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV-D Quartz highly for its pragmatic design and exceptional accuracy at the price.
Owners widely praise the Momentum Smokejumper Eclipse for its solar-powered, grab-and-go convenience and clear, uncluttered dial, with one owner noting near-perfect timekeeping averaging +0.2 seconds per day. The watch is appreciated for its lightweight feel, titanium case, and domed sapphire crystal, offering good value at around $200 CAD. However, the plastic construction is reported to scratch easily, and timekeeping can be significantly affected if the watch is left in darkness. Overall, owners rate the Momentum Smokejumper Eclipse highly for its solar functionality and value, making it a convenient everyday timepiece.
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