Side by side

Marathon Steel Navigator SSNAV AutovsSpinnaker Bradner Pearl Diver

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 Pearl Diver
SpinnakerBradner Pearl Diver
MSRP $370

At a glance

9 of 29 specs differ
Diameter
Steel Navigator SSNAV Auto41mm
Bradner Pearl Diver42mm
Power Reserve
Steel Navigator SSNAV Auto40h
Bradner Pearl Diver40h
Water Resistance
Steel Navigator SSNAV Auto60m
Bradner Pearl Diver180m
MSRP
Steel Navigator SSNAV Auto$1,300
Bradner Pearl Diver$370

Full specifications

Case

6 specs
Category
Pilot
Diver
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
Emerald

Movement

1 specs
Caliber
Sellita SW200-1
SII NH35A

Pricing

1 specs
MSRP
$1,300
$370

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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 Pearl Diver

The Spinnaker Bradner Pearl Diver is noted by owners as large on smaller wrists, with a 50mm lug-to-lug and 15mm height being a concern, though some find it acceptable with specific strap choices. Opinions on finishing quality vary, with one owner reporting issues like a poorly seated bezel and crooked indices. Overall, owners rate the Spinnaker Bradner Pearl Diver with mixed reviews regarding its size and finishing.

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