Side by side

Echo/Neutra Rivanera PiccolovsZelos Helica Moonphase

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

Rivanera Piccolo
Echo/NeutraRivanera Piccolo
MSRP $1,640
Helica Moonphase
ZelosHelica Moonphase
MSRP $1,049

At a glance

9 of 29 specs differ
Diameter
Rivanera Piccolo33mm
Helica Moonphase39mm
Power Reserve
Rivanera Piccolo40h
Helica Moonphase40h
Water Resistance
Rivanera Piccolo100m
Helica Moonphase100m
MSRP
Rivanera Piccolo$1,640
Helica Moonphase$1,049

Full specifications

Case

6 specs
Category
Moonphase
Diameter
33mm
39mm
Thickness
6.9mm
10mm
Lug-to-Lug
46mm
39mm
Material
Titanium Grade 5
316L Stainless Steel
Finish
Polished + Sandblasted
Brushed and polished

Crystal & Dial

1 specs
Dial Color
Guilloché Black
Meteorite

Movement

1 specs
Caliber
Sellita SW1000
Sellita SW288 Moonphase

Pricing

1 specs
MSRP
$1,640
$1,049

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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 Helica Moonphase

Owners widely praise the Zelos Helica Moonphase for its gorgeous aventurine dial, unique industrial-dress aesthetic, and comfortable wearability, with one owner calling it spectacular and another their favorite Zelos. The moonphase complication is frequently highlighted as beautiful, though some find the double moon distracting or the dial cluttered. A manual-wind movement combined with a screw-down crown is noted as a drawback by some, requiring adjustment and potentially feeling fragile when fully wound, while one owner reports a 43-hour power reserve. On balance, owners rate the Zelos Helica Moonphase highly for its stunning aventurine dial and unique design at its price point.

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