Side by side

Zelos Hammerhead (Tantalum LE)vsFormex Reef 42 mm

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
Reef 42 mm
FormexReef 42 mm
MSRP $2,414

At a glance

10 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Reef 42 mm42mm
Power Reserve
Hammerhead (Tantalum LE)40h
Reef 42 mm56h
Water Resistance
Hammerhead (Tantalum LE)300m
Reef 42 mm300m
MSRP
Hammerhead (Tantalum LE)$1,499
Reef 42 mm$2,414

Full specifications

Case

4 specs
Diameter
44mm
42mm
Thickness
13mm
11.4mm
Lug-to-Lug
44mm
47mm
Material
Titanium
Stainless Steel

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Tantalum LE
Black
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Seiko NH35
Sellita SW300-1
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$1,499
$2,414

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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.

Formex Reef 42 mm

The Formex Reef 42 mm is widely praised for its comfortable bracelet featuring a micro-adjust clasp, COSC-certified Sellita movement, and excellent build quality. Owners appreciate the gradient dial's visual appeal and the overall wearability. Some owners note the seconds hand does not perfectly align with markers, and one owner found the lugs' taper hinders third-party strap fit. The bracelet's length and sporty design are noted as limiting versatility by some. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its impressive wearability and value at the price point.

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