Side by side

Sternglas Naos SolarvsZelos Helica Moonphase

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

Naos Solar
SternglasNaos Solar
MSRP $323
Helica Moonphase
ZelosHelica Moonphase
MSRP $1,049

At a glance

12 of 29 specs differ
Diameter
Naos Solar38mm
Helica Moonphase39mm
Power Reserve
Naos Solar
Helica Moonphase40h
Water Resistance
Naos Solar50m
Helica Moonphase100m
MSRP
Naos Solar$323
Helica Moonphase$1,049

Full specifications

Case

5 specs
Category
Dress
Moonphase
Diameter
38mm
39mm
Lug-to-Lug
42mm
39mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

2 specs
Dial Color
Meteorite
Lume
Luminova Punkten
None

Movement

4 specs
Caliber
Seiko VJ76
Sellita SW288 Moonphase
Type
Solar
Automatic
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$323
$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.

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.

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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