Side by side

Sternglas Naos SolarvsRoue Cal Three / Cal Four

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

Naos Solar
SternglasNaos Solar
MSRP $323
Cal Three / Cal Four
RoueCal Three / Cal Four
MSRP $210
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 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.

Roue Cal Three / Cal Four

Owners praise the Roue Cal Three / Cal Four's unique grey-blue dial with yellow and orange accents and the distinctive look of its domed mineral glass. One owner found the 40mm case size and quality leather strap appealing, though noted the lugs were slightly taller than anticipated. However, one owner reported significant condensation and moisture ingress, with the company denying warranty service. The lack of a date window makes it less ideal as a daily wearer for some. On balance, owners appreciate the aesthetic appeal and value, despite isolated reports of water resistance issues and a lack of date functionality.

At a glance

11 of 29 specs differ
Diameter
Naos Solar38mm
Cal Three / Cal Four41.5mm
Power Reserve
Naos Solar
Cal Three / Cal Four40h
Water Resistance
Naos Solar50m
Cal Three / Cal Four50m
MSRP
Naos Solar$323
Cal Three / Cal Four$210

Full specifications

Case

4 specs
Category
Dress
Diameter
38mm
41.5mm
Thickness
10mm
9.8mm
Lug-to-Lug
42mm
48mm

Crystal & Dial

2 specs
Dial Color
Black and White
Lume
Luminova Punkten
None

Movement

4 specs
Caliber
Seiko VJ76
Miyota 2315
Type
Solar
Quartz
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$323
$210
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