Side by side

Zelos Hammerhead (Tantalum LE)vsMarathon MSAR (Medium Search & Rescue) Diver's Automatic

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

Hammerhead (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499
MSAR (Medium Search & Rescue) Diver's Automatic
MarathonMSAR (Medium Search & Rescue) Diver's Automatic
MSRP $1,800

At a glance

9 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
MSAR (Medium Search & Rescue) Diver's Automatic36mm
Power Reserve
Hammerhead (Tantalum LE)40h
MSAR (Medium Search & Rescue) Diver's Automatic40h
Water Resistance
Hammerhead (Tantalum LE)300m
MSAR (Medium Search & Rescue) Diver's Automatic300m
MSRP
Hammerhead (Tantalum LE)$1,499
MSAR (Medium Search & Rescue) Diver's Automatic$1,800

Full specifications

Case

5 specs
Diameter
44mm
36mm
Thickness
13mm
18mm
Lug-to-Lug
44mm
Lug Width
22mm
18mm
Material
Titanium
316L Stainless Steel

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Tantalum LE
White

Movement

1 specs
Caliber
Seiko NH35
Sellita SW200-1

Pricing

1 specs
MSRP
$1,499
$1,800

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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.

Zelos Hammerhead (Tantalum LE)

The Zelos Hammerhead (Tantalum LE) features a forged carbon dial and bezel insert with infused lume. On balance, owners and reviewers rate the Zelos Hammerhead (Tantalum LE) highly for its unique material composition and substantial feel.

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.

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