Side by side

Zelos Hammerhead (Tantalum LE)vsSeiko Prospex Sea

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
Prospex Sea
SeikoProspex Sea
MSRP $795

At a glance

13 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Prospex Sea34mm
Power Reserve
Hammerhead (Tantalum LE)40h
Prospex Sea40h
Water Resistance
Hammerhead (Tantalum LE)300m
Prospex Sea200m
MSRP
Hammerhead (Tantalum LE)$1,499
Prospex Sea$795

Full specifications

Case

6 specs
Diameter
44mm
34mm
Thickness
13mm
8.7mm
Lug-to-Lug
44mm
40.8mm
Lug Width
22mm
16mm
Material
Titanium
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

4 specs
Crystal
Domed Sapphire
Sapphire
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Tantalum LE
Black
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
Seiko NH35
6N01
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$1,499
$795

Follow this matchup

Get a note when Zelos Hammerhead (Tantalum LE) vs Seiko Prospex Sea gets more votes, a community discussion, or a price drop. No account needed.

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.

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superb lume, with many appreciating its comfortable wearability due to its case shape and lug-to-lug distance. Reviewers consistently highlight its impressive finishing and classic dive watch design, often noting the bright LumiBrite lume. Some owners find the watch to be large, thick, and heavy, while others consider it the perfect size, indicating a split opinion on wearability for smaller wrists. The power reserve from some movements is noted as less than newer variants, and the clasp quality receives mixed feedback. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional finishing and value proposition in the dive watch market.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.