Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsBremont Supermarine 300M

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

OSAR-D (Original SAR with Date) Automatic 41mm
MarathonOSAR-D (Original SAR with Date) Automatic 41mm
MSRP $1,800
Supermarine 300M
BremontSupermarine 300M
MSRP $3,550

At a glance

8 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 41mm41mm
Supermarine 300M40mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 41mm40h
Supermarine 300M40h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 41mm300m
Supermarine 300M300m
MSRP
OSAR-D (Original SAR with Date) Automatic 41mm$1,800
Supermarine 300M$3,550

Full specifications

Case

5 specs
Diameter
41mm
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
Black
Green

Movement

1 specs
Caliber
Sellita SW220-1
BE-92AE

Pricing

1 specs
MSRP
$1,800
$3,550

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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 OSAR-D (Original SAR with Date) Automatic 41mm

The Marathon OSAR-D (Original SAR with Date) Automatic 41mm is noted for its highly legible white dial with applied hour markers and a functional date magnifier, emphasizing its tool-watch purpose. Its Swiss-made Sellita SW200-1 movement is considered reliable and serviceable. One reviewer found the bracelet lacked refinement and preferred the rubber strap option. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 41mm for its excellent legibility and robust movement.

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.

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