Side by side

Marathon Steel Navigator SSNAV QuartzvsGrand Seiko SLGW007

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

Steel Navigator SSNAV Quartz
MarathonSteel Navigator SSNAV Quartz
MSRP $1,000
SLGW007
Grand SeikoSLGW007
MSRP $10,000

At a glance

11 of 29 specs differ
Diameter
Steel Navigator SSNAV Quartz41mm
SLGW00738.6mm
Power Reserve
Steel Navigator SSNAV Quartz40h
SLGW00780h
Water Resistance
Steel Navigator SSNAV Quartz60m
SLGW00730m
MSRP
Steel Navigator SSNAV Quartz$1,000
SLGW007$10,000

Full specifications

Case

6 specs
Category
Pilot
Dress
Diameter
41mm
38.6mm
Thickness
11mm
9.95mm
Lug-to-Lug
48mm
45mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
60m
30m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

3 specs
Caliber
Swiss High-Torque Quartz
9SA4
Type
Quartz
Manual
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$1,000
$10,000

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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 Quartz

The Marathon Steel Navigator SSNAV Quartz is widely praised for its highly accurate Swiss Made ETA F06.412 PreciDrive movement, with stated accuracy of ±10 seconds per year, and its constant low-light visibility from self-illuminating tritium tubes. Owners find the watch comfortable and impressive, noting its 41mm sandblasted steel case with an asymmetrical design, bi-directional GMT bezel with excellent action, sapphire crystal, and 100m water resistance with a screw-down crown. On balance, owners and reviewers rate the Marathon Steel Navigator SSNAV Quartz highly for its robust tool watch design and exceptional accuracy at its price point.

Grand Seiko SLGW007

Grand Seiko SLGW007 owners and reviewers praise its compact 38.6mm x 9.95mm Evolution 9 case and the textured "Moonlit Birch" dial, described as moody, elegant, and captivating. The technically credible 9SA4 hand-wound movement with an 80-hour power reserve is also highlighted. Its 30m water resistance and lack of lume are noted as appropriate for a dress watch. Overall, owners and reviewers rate the Grand Seiko SLGW007 highly for its refined case, captivating dial, and updated movement.

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