Side by side

Marathon Steel Navigator SSNAV-D AutovsSeiko Essentials Solar

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Steel Navigator SSNAV-D Auto
MarathonSteel Navigator SSNAV-D Auto
MSRP $1,400
Essentials Solar
SeikoEssentials Solar
MSRP $375

At a glance

12 of 29 specs differ
Diameter
Steel Navigator SSNAV-D Auto41mm
Essentials Solar30.5mm
Power Reserve
Steel Navigator SSNAV-D Auto40h
Essentials Solar40h
Water Resistance
Steel Navigator SSNAV-D Auto60m
Essentials Solar
MSRP
Steel Navigator SSNAV-D Auto$1,400
Essentials Solar$375

Full specifications

Case

7 specs
Category
Pilot
Dress
Diameter
41mm
30.5mm
Thickness
11mm
6.8mm
Lug-to-Lug
48mm
37.7mm
Lug Width
20mm
12mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
60m
Splash Resistant

Crystal & Dial

2 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
Curved

Movement

2 specs
Caliber
Sellita SW220-1
V115
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$1,400
$375

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Marathon Steel Navigator SSNAV-D Auto

The Marathon Steel Navigator SSNAV-D Auto is praised for its durable construction, featuring a sandblasted steel case with improved lugs, a bi-directional bezel with excellent action, and 100m water resistance. Owners appreciate the constant visibility provided by self-illuminating tritium gas tubes and the precision of its ETA F06.412 quartz movement, which offers accuracy to about 10 seconds per year. The watch includes a GMT bezel for dual timekeeping and a synthetic sapphire crystal. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV-D Auto highly for its robust tool-watch design and reliable tritium illumination.

Seiko Essentials Solar

Owners find the Seiko Essentials Solar a beautiful and lightweight daily wear, particularly for its value on the grey market. One owner noted the 41mm size did not appear large in person. A single owner reported an orange stripe on a stopwatch button detached due to heat. Overall, owners rate the Seiko Essentials Solar highly for its attractive aesthetic and comfortable wearability at its price point.

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