Side by side

Zelos Hammerhead (Tantalum LE)vsSeiko Ice Diver

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
Ice Diver
SeikoIce Diver
MSRP $900

At a glance

13 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Ice Diver45mm
Power Reserve
Hammerhead (Tantalum LE)40h
Ice Diver70h
Water Resistance
Hammerhead (Tantalum LE)300m
Ice Diver200m
MSRP
Hammerhead (Tantalum LE)$1,499
Ice Diver$900

Full specifications

Case

6 specs
Diameter
44mm
45mm
Thickness
13mm
12.9mm
Lug-to-Lug
44mm
52.6mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Tantalum LE
Black
Lume
None
LumiBrite

Movement

3 specs
Caliber
Seiko NH35
6R35
Power Reserve
40h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$1,499
$900

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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.

Seiko Ice Diver

Owners widely praise the Seiko Prospex Sea for its robust build, classic dive watch design, and excellent value, with many highlighting its strong lume and comfortable wearability. Reviewers consistently flag its superior bezel action and overall finishing as standout features for its price point. Some owners find the 43mm case size substantial, with one noting it felt big, thick, and heavy on a 6.5-inch wrist, though others consider it a perfect size. The movement's power reserve is noted as less than newer variants by one reviewer. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its classic design and robust build at an accessible price.

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