Side by side

Lum-Tec Solar MarinevsSeiko 5 Sports SKX series

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

Solar Marine
Lum-TecSolar Marine
MSRP $463
5 Sports SKX series
Seiko5 Sports SKX series
MSRP $495

At a glance

14 of 29 specs differ
Diameter
Solar Marine39mm
5 Sports SKX series42.5mm
Power Reserve
Solar Marine40h
5 Sports SKX series41h
Water Resistance
Solar Marine300m
5 Sports SKX series100m
MSRP
Solar Marine$463
5 Sports SKX series$495

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
39mm
42.5mm
Thickness
10.7mm
13.6mm
Lug-to-Lug
43.5mm
46mm
Lug Width
20mm
22mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Steel
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
4R34
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$463
$495

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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.

Lum-Tec Solar Marine

Lum-Tec Solar Marine owners praise its all-black diver design, excellent lume, and rugged, tank-like build. One owner finds it a perfect fit for a 7-inch wrist and the most frequently worn watch despite its smaller size. However, one owner cautions that the PVD coating will wear and chip within a year, impacting its appearance, and another finds the price high for a solar quartz watch with added lume. On balance, owners rate the Lum-Tec Solar Marine highly for its robust design and excellent lume, despite concerns about PVD durability and value proposition.

Seiko 5 Sports SKX series

The Seiko 5 Sports SKX series is widely praised as an excellent gateway watch, offering great value with a solid build and powerful lume. Owners widely report that the NH36 movement's accuracy is a "luck of the draw," with official specs allowing up to +/-40 seconds per day, though many experience +/-5 to 10 seconds. Some owners note the lack of a screw-down crown and 100m water resistance, while others highlight its ISO 6425 compliance, 200m water resistance, and screw-down crown as superior tool watch features. Some owners find the original SKX models heavier and bulkier than newer lines, while others praise its iconic, tough, and rugged dive watch design and proven durability. On balance, owners and reviewers rate the Seiko 5 Sports SKX series highly for its iconic, durable dive watch design and strong value proposition.

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