Side by side

Marathon Steel Navigator SSNAV AutovsSpinnaker Bradner GMT

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
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

9 of 29 specs differ
Diameter
Steel Navigator SSNAV Auto41mm
Bradner GMT42mm
Power Reserve
Steel Navigator SSNAV Auto40h
Bradner GMT40h
Water Resistance
Steel Navigator SSNAV Auto60m
Bradner GMT180m
MSRP
Steel Navigator SSNAV Auto$1,300
Bradner GMT$299

Full specifications

Case

6 specs
Category
Pilot
GMT
Diameter
41mm
42mm
Thickness
11.5mm
15mm
Lug-to-Lug
48mm
50mm
Lug Width
20mm
22mm
Water Resistance
60m
180m

Crystal & Dial

1 specs
Dial Color
Black
Brown

Movement

1 specs
Caliber
Sellita SW200-1
Seiko NH34A

Pricing

1 specs
MSRP
$1,300
$299

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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.

Spinnaker Bradner GMT

The Spinnaker Bradner GMT is praised for its awesome lume and comfortable wearability, with one owner noting the rubber strap is very comfortable and the beads of rice bracelet fits well on smaller wrists. Some find its 15mm thickness and bold colorway may not appeal to everyone, and one owner views it as more of a casual GMT with tool-watch styling than a diver. Overall, owners rate the Spinnaker Bradner GMT highly for its value and comfortable wearability.

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