Side by side

Sternglas Naos SolarvsZelos Spearfish 3

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

Naos Solar
SternglasNaos Solar
MSRP $323
Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

13 of 29 specs differ
Diameter
Naos Solar38mm
Spearfish 340mm
Power Reserve
Naos Solar
Spearfish 340h
Water Resistance
Naos Solar50m
Spearfish 3200m
MSRP
Naos Solar$323
Spearfish 3$749

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
38mm
40mm
Thickness
10mm
11.5mm
Lug-to-Lug
42mm
40mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

2 specs
Dial Color
Diver - Forged Carbon
Lume
Luminova Punkten
None

Movement

4 specs
Caliber
Seiko VJ76
La Joux-Perret G100
Type
Solar
Automatic
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$323
$749

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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 Spearfish 3

The Zelos Spearfish 3 is widely praised for its exceptional finishing, with razor-sharp polish and flawless brushed transitions that owners feel exceed its price point. The 40mm case is noted for its wearability, and the La Joux-Perret G100 movement offers a 68-hour power reserve, with reported accuracy averaging +2.6 seconds per day. Reviewers highlight the exceptionally smooth bi-directional bezel and a tool-less micro-adjustment clasp described as best-in-class among microbrands. The sapphire sandwich construction and lumed bezel are also cited as desirable features. Overall, owners and reviewers rate the Zelos Spearfish 3 highly for its outstanding finishing and value at its price point.

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