Side by side

Halios Universa IIvsSternglas Naos Solar

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

Universa II
HaliosUniversa II
MSRP $995
Naos Solar
SternglasNaos Solar
MSRP $323

At a glance

12 of 29 specs differ
Diameter
Universa II38mm
Naos Solar38mm
Power Reserve
Universa II40h
Naos Solar
Water Resistance
Universa II100m
Naos Solar50m
MSRP
Universa II$995
Naos Solar$323

Full specifications

Case

4 specs
Thickness
11.8mm
10mm
Lug-to-Lug
48mm
42mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

3 specs
Crystal
Sapphire (double-domed)
Sapphire
Dial Color
Gold
Lume
None
Luminova Punkten

Movement

4 specs
Caliber
Sellita SW300-1
Seiko VJ76
Type
Automatic
Solar
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$995
$323

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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.

Halios Universa II

Owners widely praise the Halios Universa II for its applied indices, excellent finishing for the price, and comfortable 38mm dimensions. The integrated bracelet design with a satisfying micro-adjust clasp and case architecture are described as masterclasses. However, some find the bracelet clasp chunkier than the overall design, and the angular lug design is noted as not being for everyone. One owner reported unexpected pastel dial colors and a poor winding action. On balance, owners rate the Halios Universa II highly for its applied indices and excellent finishing at the price point.

Sternglas Naos Solar

Owners widely praise the Sternglas Naos Solar for its elegant Bauhaus-inspired minimalist dial, slim profile, and value for money. The scratch-resistant curved sapphire crystal and functional date mechanism are noted as durable features, with one owner reporting good wear over a year. The solar power and accuracy are highlighted as practical advantages over automatic movements, which some find loud. However, opinions are split, with some owners finding the watch underwhelming and cheap-looking, like a toy, while others love its appearance in person and its clean, appealing design as a smartwatch alternative. The stock leather strap is described as decent but basic and potentially short for larger wrists, with one owner advising a third-party replacement for durability. One owner of a different variant noted the date font is too small to be useful.

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