Side by side

Marathon Steel Navigator SSNAV-D QuartzvsGrand Seiko SBGW258

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

Steel Navigator SSNAV-D Quartz
MarathonSteel Navigator SSNAV-D Quartz
MSRP $1,300
SBGW258
Grand SeikoSBGW258
MSRP $26,000

At a glance

12 of 29 specs differ
Diameter
Steel Navigator SSNAV-D Quartz41mm
SBGW25838mm
Power Reserve
Steel Navigator SSNAV-D Quartz40h
SBGW25872h
Water Resistance
Steel Navigator SSNAV-D Quartz60m
SBGW25830m
MSRP
Steel Navigator SSNAV-D Quartz$1,300
SBGW258$26,000

Full specifications

Case

7 specs
Category
Pilot
Dress
Diameter
41mm
38mm
Thickness
11mm
10.9mm
Lug-to-Lug
48mm
45.8mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Gold
Water Resistance
60m
30m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

3 specs
Caliber
Swiss High-Torque Quartz
9S64
Type
Quartz
Manual
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$1,300
$26,000

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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 Quartz

The Marathon Steel Navigator SSNAV-D Quartz is widely praised for its high-accuracy Swiss Made ETA F06.412 HeavyDrive-PreciDrive quartz movement, rated at +/- 10 seconds per year, and its tritium lume. Reviewers and owners highlight its functional tool-watch appeal, noting the sandblasted steel case with an asymmetric design, excellent bi-directional bezel action, and drilled lug holes. Some owners find it perfectly suited for sport/rugged use, though not necessarily as an everyday watch. One owner points out that the case's distinctive asymmetry deviates from current aesthetic trends. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV-D Quartz highly for its robust build and exceptional timekeeping accuracy at its price point.

Grand Seiko SBGW258

The Grand Seiko SBGW258 is a yellow gold dress watch featuring a 38mm case and a manual-wind caliber 9S64 movement with a 72-hour power reserve, rated for accuracy to +5/-3 seconds per day. It includes a raised gold logo on the dial and comes with a brown leather strap. On balance, reviewers highlight the Grand Seiko SBGW258 as a classic, precious metal timepiece representing fine watchmaking tradition.

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