Side by side

Marathon MSAR (Medium Search & Rescue) Diver's AutomaticvsZelos Helica

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
Helica
ZelosHelica
MSRP $499

At a glance

8 of 29 specs differ
Diameter
MSAR (Medium Search & Rescue) Diver's Automatic36mm
Helica39mm
Power Reserve
MSAR (Medium Search & Rescue) Diver's Automatic40h
Helica40h
Water Resistance
MSAR (Medium Search & Rescue) Diver's Automatic300m
Helica100m
MSRP
MSAR (Medium Search & Rescue) Diver's Automatic$1,800
Helica$499

Full specifications

Case

5 specs
Diameter
36mm
39mm
Thickness
18mm
10.5mm
Lug-to-Lug
39mm
Lug Width
18mm
20mm
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
White
39 - Wave MOP

Movement

1 specs
Caliber
Sellita SW200-1
Miyota 9015

Pricing

1 specs
MSRP
$1,800
$499

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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.

Zelos Helica

Owners widely praise the Zelos Helica for its stunning, often color-shifting dials, with specific mentions of the MoP, slate grey, 'Steel Blue', and red opal variants being particularly captivating and artful. The 39mm case size is noted as fitting well on smaller wrists, and the overall build quality and finishing for the price are frequently highlighted as impressive, with one owner calling it "a lot of watch for the price." Some owners appreciate the novel bracelet designs and full lume dials, while others find the bracelet and clasp edges sharp or the clasp lacking on-the-fly adjustment. Opinions on the date window are mixed, with one owner disliking it. The Zelos Helica Moonphase was considered cluttered by one owner, and its $1K USD price point was felt to be steep by another, though popular variants sold out rapidly. Overall, owners rate the Zelos Helica highly for its striking dial designs and impressive value proposition.

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