Side by side

Sternglas Naos Pro GMT AutomatikvsEcho/Neutra Rivanera Piccolo

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

Naos Pro GMT Automatik
SternglasNaos Pro GMT Automatik
MSRP $863
Rivanera Piccolo
Echo/NeutraRivanera Piccolo
MSRP $1,640

At a glance

13 of 29 specs differ
Diameter
Naos Pro GMT Automatik38mm
Rivanera Piccolo33mm
Power Reserve
Naos Pro GMT Automatik42h
Rivanera Piccolo40h
Water Resistance
Naos Pro GMT Automatik50m
Rivanera Piccolo100m
MSRP
Naos Pro GMT Automatik$863
Rivanera Piccolo$1,640

Full specifications

Case

7 specs
Category
GMT
Diameter
38mm
33mm
Thickness
11mm
6.9mm
Lug-to-Lug
42mm
46mm
Material
Stainless Steel
Titanium Grade 5
Finish
Brushed and polished
Polished + Sandblasted
Water Resistance
50m
100m

Crystal & Dial

2 specs
Dial Color
Guilloché Black
Lume
Luminova Punkte
None

Movement

3 specs
Caliber
Miyota 9075
Sellita SW1000
Power Reserve
42h
40h
Jewels
25

Pricing

1 specs
MSRP
$863
$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.

Sternglas Naos Pro GMT Automatik

Owners report the Sternglas Naos can feel underwhelming with a cheap feel and hands resembling office printer output, with some finding it wears smaller than expected and looks like a toy, though others appreciate its understated design. Reviewers highlight the Argo Automatic variant as a compelling sub-€400 mechanical watch with a colorful dial and practical date wheel, suitable for new collectors, featuring a 38mm case and a Miyota 8215 movement. On balance, the consensus is that the Sternglas Naos offers a mixed ownership experience, with its value proposition and entry-level appeal being its strongest points for some.

From video reviewers

The Sternglas Naos Pro GMT Automatik features a clean Bauhaus design that sets it apart from other GMT watches. A notable weakness is the watch's bezel action, which is not as smooth as some reviewers would have liked. Reviewers disagree on the watch's case size, with one reviewer stating it's slightly larger than the original Naos Automatic, while another reviewer doesn't mention this aspect at all.

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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