Side by side

Marathon Steel Navigator SSNAV-D AutovsSpinnaker Bradner Pearl Diver

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

Steel Navigator SSNAV-D Auto
MarathonSteel Navigator SSNAV-D Auto
MSRP $1,400
Bradner Pearl Diver
SpinnakerBradner Pearl Diver
MSRP $370

At a glance

9 of 29 specs differ
Diameter
Steel Navigator SSNAV-D Auto41mm
Bradner Pearl Diver42mm
Power Reserve
Steel Navigator SSNAV-D Auto40h
Bradner Pearl Diver40h
Water Resistance
Steel Navigator SSNAV-D Auto60m
Bradner Pearl Diver180m
MSRP
Steel Navigator SSNAV-D Auto$1,400
Bradner Pearl Diver$370

Full specifications

Case

6 specs
Category
Pilot
Diver
Diameter
41mm
42mm
Thickness
11mm
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 SW220-1
SII NH35A

Pricing

1 specs
MSRP
$1,400
$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-D Auto

The Marathon Steel Navigator SSNAV-D Auto is praised for its durable construction, featuring a sandblasted steel case with improved lugs, a bi-directional bezel with excellent action, and 100m water resistance. Owners appreciate the constant visibility provided by self-illuminating tritium gas tubes and the precision of its ETA F06.412 quartz movement, which offers accuracy to about 10 seconds per year. The watch includes a GMT bezel for dual timekeeping and a synthetic sapphire crystal. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV-D Auto highly for its robust tool-watch design and reliable tritium illumination.

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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