Side by side

Lum-Tec Solar MarinevsSeiko Prospex Sea

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

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 Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superb lume, with many appreciating its comfortable wearability due to its case shape and lug-to-lug distance. Reviewers consistently highlight its impressive finishing and classic dive watch design, often noting the bright LumiBrite lume. Some owners find the watch to be large, thick, and heavy, while others consider it the perfect size, indicating a split opinion on wearability for smaller wrists. The power reserve from some movements is noted as less than newer variants, and the clasp quality receives mixed feedback. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional finishing and value proposition in the dive watch market.

At a glance

12 of 29 specs differ
Diameter
Solar Marine39mm
Prospex Sea34mm
Power Reserve
Solar Marine
Prospex Sea
Water Resistance
Solar Marine300m
Prospex Sea200m
MSRP
Solar Marine$463
Prospex Sea$795

Full specifications

Case

6 specs
Diameter
39mm
34mm
Thickness
10.7mm
8.7mm
Lug-to-Lug
43.5mm
40.8mm
Lug Width
20mm
16mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Dial Color
Steel
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
Seiko 6N01
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$463
$795
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