Side by side

Zelos Hammerhead (Tantalum LE)vsGruppo Gamma Field III

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
Field III
Gruppo GammaField III
MSRP $439

At a glance

13 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Field III40mm
Power Reserve
Hammerhead (Tantalum LE)40h
Field III41h
Water Resistance
Hammerhead (Tantalum LE)300m
Field III200m
MSRP
Hammerhead (Tantalum LE)$1,499
Field III$439

Full specifications

Case

6 specs
Category
Diver
Field
Diameter
44mm
40mm
Thickness
13mm
14mm
Lug-to-Lug
44mm
48.5mm
Material
Titanium
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

4 specs
Crystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
Tantalum LE
Black
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Seiko NH35
Seiko Instruments NH38A
Power Reserve
40h
41h

Pricing

1 specs
MSRP
$1,499
$439

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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.

Gruppo Gamma Field III

The watch's 200m water resistance is a notable strength. A weakness is the use of the Seiko NH34A GMT movement, which might be considered less desirable than some other options due to its relatively lower grade compared to other movements in this price range.

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