Side by side

Marathon MSAR (Medium Search & Rescue) Diver's AutomaticvsSpinnaker Dumas GMT

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

MSAR (Medium Search & Rescue) Diver's Automatic
MarathonMSAR (Medium Search & Rescue) Diver's Automatic
MSRP $1,800
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

8 of 29 specs differ
Diameter
MSAR (Medium Search & Rescue) Diver's Automatic36mm
Dumas GMT44mm
Power Reserve
MSAR (Medium Search & Rescue) Diver's Automatic40h
Dumas GMT40h
Water Resistance
MSAR (Medium Search & Rescue) Diver's Automatic300m
Dumas GMT300m
MSRP
MSAR (Medium Search & Rescue) Diver's Automatic$1,800
Dumas GMT$399

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
36mm
44mm
Thickness
18mm
15mm
Lug-to-Lug
48mm
Lug Width
18mm
22mm

Crystal & Dial

1 specs
Dial Color
White
Blue

Movement

1 specs
Caliber
Sellita SW200-1
Seiko NH34A

Pricing

1 specs
MSRP
$1,800
$399

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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 MSAR (Medium Search & Rescue) Diver's Automatic

The Marathon MSAR (Medium Search & Rescue) Diver's Automatic is lauded for its utilitarian, no-nonsense design, exceptional tritium lume for visibility, and comfortable 41mm wearability. Reviewers highlight its robust build, meeting ISO 6425 dive watch standards and approved for military use, demonstrating durability during demanding activities. One reviewer notes the stock rubber strap requires modification for a proper fit. Overall, reviewers rate the Marathon MSAR (Medium Search & Rescue) Diver's Automatic highly for its focus on utility and ruggedness at its price point.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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