Side by side

Bremont Supermarine 300MvsMarathon Jeep Rubicon GSAR

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
Jeep Rubicon GSAR
MarathonJeep Rubicon GSAR
MSRP $2,100

At a glance

6 of 29 specs differ
Diameter
Supermarine 300M40mm
Jeep Rubicon GSAR41mm
Power Reserve
Supermarine 300M40h
Jeep Rubicon GSAR40h
Water Resistance
Supermarine 300M300m
Jeep Rubicon GSAR300m
MSRP
Supermarine 300M$3,550
Jeep Rubicon GSAR$2,100

Full specifications

Case

4 specs
Diameter
40mm
41mm
Thickness
12mm
14mm
Lug-to-Lug
48mm
Material
904L Stainless Steel
316L Stainless Steel

Movement

1 specs
Caliber
BE-92AE
Sellita SW200-1

Pricing

1 specs
MSRP
$3,550
$2,100

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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 Jeep Rubicon GSAR

The Marathon Jeep Rubicon GSAR is widely praised as a rugged, high-quality tool watch that successfully blends Jeep branding with Marathon's functional heritage, featuring a unique dial with tritium illumination and an automatic Sellita SW200-1 movement. Owners appreciate its satisfying bezel action and durable build, making it a reliable daily wear that pairs well with Jeep's rugged image. However, some find the Jeep logo to be corporate and out of place with Marathon's austere design ethos, while one owner notes that second-hand examples can show wear on the bezel. The watch is priced at $1,500 USD. Overall, owners and reviewers rate the Marathon Jeep Rubicon GSAR highly for its robust construction and distinctive tritium lume, which are considered its strongest assets.

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