Side by side

Bremont Supermarine 300MvsMarathon Steel Navigator SSNAV Quartz

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Steel Navigator SSNAV Quartz
MarathonSteel Navigator SSNAV Quartz
MSRP $1,000

At a glance

10 of 29 specs differ
Diameter
Supermarine 300M40mm
Steel Navigator SSNAV Quartz41mm
Power Reserve
Supermarine 300M40h
Steel Navigator SSNAV Quartz40h
Water Resistance
Supermarine 300M300m
Steel Navigator SSNAV Quartz60m
MSRP
Supermarine 300M$3,550
Steel Navigator SSNAV Quartz$1,000

Full specifications

Case

6 specs
Category
Diver
Pilot
Diameter
40mm
41mm
Thickness
12mm
11mm
Lug-to-Lug
48mm
Material
904L Stainless Steel
316L Stainless Steel
Water Resistance
300m
60m

Crystal & Dial

1 specs
Dial Color
Green
Black

Movement

2 specs
Caliber
BE-92AE
Swiss High-Torque Quartz
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$3,550
$1,000

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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.

Bremont Supermarine 300M

The Bremont Supermarine 300M is praised for its comfortable 40mm and 42mm case sizes, with owners noting the 42mm wears well on smaller wrists due to its lug design. One owner highlights the 13mm thinness of the 40mm case, considered compact for a 300m diver. The watch is priced at $1375. On balance, owners and reviewers appreciate the Bremont Supermarine 300M for its wearability and compact dimensions, especially for a dive watch.

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.

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