Side by side

Marathon Steel Navigator SSNAV-D AutovsSeiko Essentials Tank (Ladies)

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 Tank (Ladies)
SeikoEssentials Tank (Ladies)
MSRP $365

At a glance

11 of 29 specs differ
Diameter
Steel Navigator SSNAV-D Auto41mm
Essentials Tank (Ladies)26mm
Power Reserve
Steel Navigator SSNAV-D Auto40h
Essentials Tank (Ladies)40h
Water Resistance
Steel Navigator SSNAV-D Auto60m
Essentials Tank (Ladies)50m
MSRP
Steel Navigator SSNAV-D Auto$1,400
Essentials Tank (Ladies)$365

Full specifications

Case

7 specs
Category
Pilot
Dress
Diameter
41mm
26mm
Thickness
11mm
6.4mm
Lug-to-Lug
48mm
34.8mm
Lug Width
20mm
15mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
60m
50m

Crystal & Dial

1 specs
Crystal
Sapphire
Hardlex

Movement

2 specs
Caliber
Sellita SW220-1
4N30
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$1,400
$365

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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 Tank (Ladies)

The Seiko Essentials Tank (Ladies) is praised for its clean and simple design, with owners noting its versatile look that pairs well with casual outfits. Some owners recommend swapping the bracelet for leather straps to enhance the classic tank watch aesthetic. Overall, owners rate the Seiko Essentials Tank (Ladies) highly for its adaptable style and straightforward design.

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