Side by side

Zelos Hammerhead (Tantalum LE)vsEcho/Neutra Rivanera Piccolo

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
Rivanera Piccolo
Echo/NeutraRivanera Piccolo
MSRP $1,640

At a glance

12 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Rivanera Piccolo33mm
Power Reserve
Hammerhead (Tantalum LE)40h
Rivanera Piccolo40h
Water Resistance
Hammerhead (Tantalum LE)300m
Rivanera Piccolo100m
MSRP
Hammerhead (Tantalum LE)$1,499
Rivanera Piccolo$1,640

Full specifications

Case

8 specs
Category
Diver
Diameter
44mm
33mm
Thickness
13mm
6.9mm
Lug-to-Lug
44mm
46mm
Lug Width
22mm
20mm
Material
Titanium
Titanium Grade 5
Finish
Brushed and polished
Polished + Sandblasted
Water Resistance
300m
100m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Tantalum LE
Guilloché Black

Movement

1 specs
Caliber
Seiko NH35
Sellita SW1000

Pricing

1 specs
MSRP
$1,499
$1,640

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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.

Echo/Neutra Rivanera Piccolo

The Echo/Neutra Rivanera Piccolo is praised for its charming and impressive design, featuring a lightweight 26mm grade 5 titanium case with a sandblasted finish and polished edges. It is powered by an automatic Sellita SW1000 elaboré grade movement with a 46-hour power reserve and is available with an ultra-black Musou Black dial option. One reviewer suggested removing the date for a cleaner dial, while both sources note the straps lack a quick-release system. Overall, reviewers highlight the Rivanera Piccolo's distinctive design and titanium construction as its primary strengths.

From video reviewers

The thin 6.9mm case is a standout feature. Reviewers noted the Grade 5 titanium case construction. No shared weaknesses were identified.

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