Side by side

Echo/Neutra Rivanera PiccolovsZelos Hammerhead V3 300m Bronze

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Rivanera Piccolo
Echo/NeutraRivanera Piccolo
MSRP $1,640
Hammerhead V3 300m Bronze
ZelosHammerhead V3 300m Bronze
MSRP $449

At a glance

12 of 29 specs differ
Diameter
Rivanera Piccolo33mm
Hammerhead V3 300m Bronze44mm
Power Reserve
Rivanera Piccolo40h
Hammerhead V3 300m Bronze40h
Water Resistance
Rivanera Piccolo100m
Hammerhead V3 300m Bronze300m
MSRP
Rivanera Piccolo$1,640
Hammerhead V3 300m Bronze$449

Full specifications

Case

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

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Guilloché Black
Bronze - Frost

Movement

1 specs
Caliber
Sellita SW1000
Seiko NH35

Pricing

1 specs
MSRP
$1,640
$449

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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.

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.

Zelos Hammerhead V3 300m Bronze

Owners widely praise the Zelos Hammerhead V3 300m Bronze for its distinctive 70s-inspired design, slim 13.5mm case, and improved lume, offering a sophisticated timepiece at an accessible price point starting at $349. The unique dial is noted for evoking an otherworldly feeling, and the comfortable bracelet features on-the-fly micro-adjustment. Some enthusiasts express frustration with shipping delays and a desire to see the watch on a wrist before purchase. One owner flags that the clasp material could be more scratch-resistant, and resizing bracelet pins can be stubborn. On balance, owners rate the Zelos Hammerhead V3 300m Bronze highly for its unique design and build quality at its price point.

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