Side by side

Marathon Steel Navigator SSNAV-D AutovsSeiko Essentials Daywear

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 Daywear
SeikoEssentials Daywear
MSRP $325

At a glance

10 of 29 specs differ
Diameter
Steel Navigator SSNAV-D Auto41mm
Essentials Daywear39.5mm
Power Reserve
Steel Navigator SSNAV-D Auto40h
Essentials Daywear40h
Water Resistance
Steel Navigator SSNAV-D Auto60m
Essentials Daywear100m
MSRP
Steel Navigator SSNAV-D Auto$1,400
Essentials Daywear$325

Full specifications

Case

6 specs
Category
Pilot
Dress
Diameter
41mm
39.5mm
Thickness
11mm
9.8mm
Lug-to-Lug
48mm
46.7mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
60m
100m

Crystal & Dial

1 specs
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
Sellita SW220-1
6N76
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$1,400
$325

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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 Daywear

Seiko Essentials Daywear is widely praised for its exceptional value and comfortable, lightweight design, featuring a thin 8.4mm case and 100m water resistance. Owners appreciate the convenience of its quartz movement and sapphire crystal. One owner notes the titanium bracelet has larger gaps due to its smaller center link. On balance, owners rate the Seiko Essentials Daywear highly for its comfortable wearability and strong value proposition.

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