Side by side

Marathon Steel Navigator SSNAV-D QuartzvsTudor Black Bay GMT S&G

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
Black Bay GMT S&G
TudorBlack Bay GMT S&G
MSRP $5,825

At a glance

20 of 29 specs differ
Diameter
Steel Navigator SSNAV-D Quartz41mm
Black Bay GMT S&G41mm
Power Reserve
Steel Navigator SSNAV-D Quartz40h
Black Bay GMT S&G70h
Water Resistance
Steel Navigator SSNAV-D Quartz60m
Black Bay GMT S&G200m
MSRP
Steel Navigator SSNAV-D Quartz$1,300
Black Bay GMT S&G$5,825

Full specifications

Case

8 specs
Category
Pilot
GMT
Thickness
11mm
14.6mm
Lug-to-Lug
48mm
46mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
60m
200m
Caseback
Solid
Engraved

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Inner
Indices
Applied

Movement

8 specs
Caliber
Swiss High-Torque Quartz
MT5652
Type
Quartz
Automatic
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
GMT

Pricing

1 specs
MSRP
$1,300
$5,825

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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.

Tudor Black Bay GMT S&G

Owners widely praise the Tudor Black Bay GMT S&G for its muted gold tone and cohesive design, with reviewers noting its value proposition around $5,000-$5,300, powered by an in-house GMT movement. Some owners find the 41mm case and weight make it feel large on the wrist, while reviewers are split on wearability and the execution of the "Root Beer" aesthetic. Concerns are raised about the aluminum bezel insert and initial wear on the gold plating at its price point, though some see the gold-capped bracelet and crown as understandable compromises. Overall, owners and reviewers rate the Tudor Black Bay GMT S&G highly for its unique aesthetic and strong value, with the cohesive design and GMT functionality being key draws.

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