Side by side

Zelos Hammerhead (Tantalum LE)vsSeiko Prospex LX line

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 LX line
SeikoProspex LX line
MSRP $6,500

At a glance

12 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Prospex LX line44.8mm
Power Reserve
Hammerhead (Tantalum LE)40h
Prospex LX line72h
Water Resistance
Hammerhead (Tantalum LE)300m
Prospex LX line300m
MSRP
Hammerhead (Tantalum LE)$1,499
Prospex LX line$6,500

Full specifications

Case

3 specs
Diameter
44mm
44.8mm
Thickness
13mm
15.7mm
Lug-to-Lug
44mm
50.9mm

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

4 specs
Caliber
Seiko NH35
5R65
Type
Automatic
Spring Drive
Power Reserve
40h
72h
Jewels
25
30

Pricing

1 specs
MSRP
$1,499
$6,500

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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 Prospex LX line

Owners widely report the Seiko Prospex LX line's finishing is a step up from other models, with a case that sits well on the wrist, and some praise the green sunburst dial with blue anti-reflective sapphire crystal as phenomenal. However, owners note the high MSRP limited sales, with some desiring smaller cases and a reduced price, and others experienced quality control issues such as detached second hands and peeling DLC coating, leading to concerns about fragility. On balance, owners feel the Seiko Prospex LX line was discontinued due to pricing that alienated its target market, despite its attractive dial.

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