Side by side

Sternglas Naos SolarvsSpinnaker Fleuss 40 Automatic

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

Naos Solar
SternglasNaos Solar
MSRP $323
Fleuss 40 Automatic
SpinnakerFleuss 40 Automatic
MSRP $450

At a glance

13 of 29 specs differ
Diameter
Naos Solar38mm
Fleuss 40 Automatic40mm
Power Reserve
Naos Solar
Fleuss 40 Automatic40h
Water Resistance
Naos Solar50m
Fleuss 40 Automatic150m
MSRP
Naos Solar$323
Fleuss 40 Automatic$450

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
38mm
40mm
Thickness
10mm
11mm
Lug-to-Lug
42mm
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
150m

Crystal & Dial

2 specs
Dial Color
Coral
Lume
Luminova Punkten
None

Movement

4 specs
Caliber
Seiko VJ76
SII NH35A
Type
Solar
Automatic
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$323
$450

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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.

Spinnaker Fleuss 40 Automatic

Owners find the Spinnaker Fleuss 40 Automatic a good size for smaller wrists, though one owner notes the lume is too diffuse for easy nighttime reading. The pilot-style crown is an unusual feature for a dive watch. Overall, owners value the Spinnaker Fleuss 40 Automatic for its wearability on smaller wrists.

From video reviewers

The coral red dial is a unique aesthetic. The watch is a strong contender for best-in-class under $300.

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