Side by side

Marathon Steel Navigator SSNAV AutovsGrand Seiko SBGM245

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

Steel Navigator SSNAV Auto
MarathonSteel Navigator SSNAV Auto
MSRP $1,300
SBGM245
Grand SeikoSBGM245
MSRP $6,100

At a glance

10 of 29 specs differ
Diameter
Steel Navigator SSNAV Auto41mm
SBGM24540.5mm
Power Reserve
Steel Navigator SSNAV Auto40h
SBGM24572h
Water Resistance
Steel Navigator SSNAV Auto60m
SBGM245200m
MSRP
Steel Navigator SSNAV Auto$1,300
SBGM245$6,100

Full specifications

Case

6 specs
Category
Pilot
GMT
Diameter
41mm
40.5mm
Thickness
11.5mm
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 SW200-1
9S66
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$1,300
$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 Auto

The Marathon Steel Navigator SSNAV Auto is praised for its high-accuracy quartz movement, with owners noting its comfort and reliable performance. Reviewers highlight its functional tool-watch appeal, featuring a sandblasted steel case, tritium tubes for constant low-light visibility, and 100-meter water resistance. One owner finds the 41mm case runs a bit small. The Marathon Steel Navigator SSNAV Auto utilizes an ETA F06.412 quartz movement with a claimed accuracy of +/- 10 seconds per year and includes a GMT bidirectional bezel. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV Auto highly for its comfortable wear and dependable, high-accuracy quartz movement.

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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