Side by side

Hamilton Khaki Navy Frogman Titanium AutovsZelos Hammerhead (Tantalum LE)

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

Khaki Navy Frogman Titanium Auto
HamiltonKhaki Navy Frogman Titanium Auto
MSRP $1,675
Hammerhead (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499

At a glance

9 of 29 specs differ
Diameter
Khaki Navy Frogman Titanium Auto46mm
Hammerhead (Tantalum LE)44mm
Power Reserve
Khaki Navy Frogman Titanium Auto80h
Hammerhead (Tantalum LE)40h
Water Resistance
Khaki Navy Frogman Titanium Auto1,000m
Hammerhead (Tantalum LE)300m
MSRP
Khaki Navy Frogman Titanium Auto$1,675
Hammerhead (Tantalum LE)$1,499

Full specifications

Case

4 specs
Diameter
46mm
44mm
Thickness
15.95mm
13mm
Lug-to-Lug
46mm
44mm
Water Resistance
1000m
300m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Tantalum LE

Movement

2 specs
Caliber
H-10
Seiko NH35
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$1,675
$1,499

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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.

Hamilton Khaki Navy Frogman Titanium Auto

Owners widely praise the Hamilton Khaki Navy Frogman Titanium Auto for its durability, bold design, and titanium case construction, with some noting its comfortable wearability and precise +2 seconds per day accuracy. Reviewers highlight the 46mm model's 1000m water resistance and 80-hour power reserve from the H-10 movement. However, the large 46mm case size is frequently cited as a drawback for everyday wear, and some find the rubber strap stiff, the bezel grip challenging when wet, and the crown difficult to grip. One owner reports that the lume is not strong. On balance, owners and reviewers appreciate the Hamilton Khaki Navy Frogman Titanium Auto for its robust build and dive-ready specifications, with the primary caveat being its substantial case dimensions.

From video reviewers

The bezel action and dial are highlighted as strengths. The watch's size, specifically its thickness and lug-to-lug measurement, is a shared concern. Reviewers disagreed on the oversized crown lock, with one finding it a drawback and another not mentioning it.

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.

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