Side by side

Marathon Steel Navigator SSNAV-D AutovsGrand Seiko SBGM245

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
SBGM245
Grand SeikoSBGM245
MSRP $6,100

At a glance

10 of 29 specs differ
Diameter
Steel Navigator SSNAV-D Auto41mm
SBGM24540.5mm
Power Reserve
Steel Navigator SSNAV-D Auto40h
SBGM24572h
Water Resistance
Steel Navigator SSNAV-D Auto60m
SBGM245200m
MSRP
Steel Navigator SSNAV-D Auto$1,400
SBGM245$6,100

Full specifications

Case

6 specs
Category
Pilot
GMT
Diameter
41mm
40.5mm
Thickness
11mm
14.4mm
Lug-to-Lug
48mm
48.6mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
60m
200m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

2 specs
Caliber
Sellita SW220-1
9S66
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$1,400
$6,100

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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.

Grand Seiko SBGM245

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

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