Side by side

Lum-Tec Solar MarinevsSpinnaker Fleuss 40 Automatic

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

Solar Marine
Lum-TecSolar Marine
MSRP $595
Fleuss 40 Automatic
SpinnakerFleuss 40 Automatic
MSRP $450
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Lum-Tec Solar Marine

The Lum-Tec Solar Marine earns consistent owner praise for its all-black diver design, exceptional lume visibility, and rugged field-ready build quality. Owners highlight its comfort and wearability despite the compact 39mm case, with one long-term owner noting it has become their most-worn piece. The solar VS42A movement and robust construction earn respect for daily-use reliability. Caveats center on durability: the PVD coating will wear and chip within a year of regular use, and pricing for a solar quartz model with lume remains a point of contention—the brand itself created a sister company partly to address cost concerns. On balance, the Solar Marine resonates with owners seeking a rugged, comfortable all-black diver with practical solar power, though the premium pricing and coating durability expectations temper enthusiasm.

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.

At a glance

10 of 29 specs differ
Diameter
Solar Marine39mm
Fleuss 40 Automatic40mm
Power Reserve
Solar Marine40h
Fleuss 40 Automatic40h
Water Resistance
Solar Marine300m
Fleuss 40 Automatic150m
MSRP
Solar Marine$595
Fleuss 40 Automatic$450

Full specifications

Case

6 specs
Category
Diver
Diameter
39mm
40mm
Thickness
10.7mm
11mm
Lug-to-Lug
43.5mm
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
150m

Crystal & Dial

1 specs
Dial Color
Coral

Movement

2 specs
Caliber
VS42A
Seiko NH35
Type
Solar
Automatic

Pricing

1 specs
MSRP
$595
$450
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