Side by side

Zelos Hammerhead (Tantalum LE)vsMarathon TSAR (Tritium Search & Rescue) Diver's Quartz

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
TSAR (Tritium Search & Rescue) Diver's Quartz
MarathonTSAR (Tritium Search & Rescue) Diver's Quartz
MSRP $1,550

At a glance

10 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
TSAR (Tritium Search & Rescue) Diver's Quartz46mm
Power Reserve
Hammerhead (Tantalum LE)40h
TSAR (Tritium Search & Rescue) Diver's Quartz40h
Water Resistance
Hammerhead (Tantalum LE)300m
TSAR (Tritium Search & Rescue) Diver's Quartz300m
MSRP
Hammerhead (Tantalum LE)$1,499
TSAR (Tritium Search & Rescue) Diver's Quartz$1,550

Full specifications

Case

5 specs
Diameter
44mm
46mm
Thickness
13mm
14mm
Lug-to-Lug
44mm
48mm
Lug Width
22mm
20mm
Material
Titanium
316L Stainless Steel

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Tantalum LE
Black

Movement

2 specs
Caliber
Seiko NH35
Swiss High-Torque Quartz
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$1,499
$1,550

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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.

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 TSAR (Tritium Search & Rescue) Diver's Quartz

Owners widely praise the Marathon TSAR (Tritium Search & Rescue) Diver's Quartz for its ISO 6425 certification and practical, everyday wearability, with one owner noting the movement sets and ticks fine with expected quartz accuracy. The bezel and crystal are also described as great. One owner reports the 41mm TSAR wears small and has a field watch aesthetic, while another notes the TSAR Medium, listed at 12mm thick, visually appears thicker. Overall, owners rate the Marathon TSAR (Tritium Search & Rescue) Diver's Quartz highly for its robust build and practical design.

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