Side by side

Marathon Arctic OSAR 36mm AutomaticvsBremont Supermarine 300M

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

Arctic OSAR 36mm Automatic
MarathonArctic OSAR 36mm Automatic
MSRP $1,200
Supermarine 300M
BremontSupermarine 300M
MSRP $3,550

At a glance

8 of 29 specs differ
Diameter
Arctic OSAR 36mm Automatic36mm
Supermarine 300M40mm
Power Reserve
Arctic OSAR 36mm Automatic40h
Supermarine 300M40h
Water Resistance
Arctic OSAR 36mm Automatic300m
Supermarine 300M300m
MSRP
Arctic OSAR 36mm Automatic$1,200
Supermarine 300M$3,550

Full specifications

Case

5 specs
Diameter
36mm
40mm
Thickness
13mm
12mm
Lug-to-Lug
43.5mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
904L Stainless Steel

Crystal & Dial

1 specs
Dial Color
White
Green

Movement

1 specs
Caliber
Sellita SW220-1
BE-92AE

Pricing

1 specs
MSRP
$1,200
$3,550

Follow this matchup

Get a note when Marathon Arctic OSAR 36mm Automatic vs Bremont Supermarine 300M gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Marathon Arctic OSAR 36mm Automatic

The Marathon Arctic OSAR 36mm Automatic is noted for its non-tritium dial option, though some owners prefer the 1-12 numeral layout found on other models. One owner found the 36mm size too small for their wrist. Overall, owners appreciate the Marathon Arctic OSAR 36mm Automatic for its non-tritium dial option.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.