Side by side

Lum-Tec Solar MarinevsGrand Seiko SBGM245

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

Solar Marine
Lum-TecSolar Marine
MSRP $463
SBGM245
Grand SeikoSBGM245
MSRP $6,100

At a glance

11 of 29 specs differ
Diameter
Solar Marine39mm
SBGM24540.5mm
Power Reserve
Solar Marine40h
SBGM24572h
Water Resistance
Solar Marine300m
SBGM245200m
MSRP
Solar Marine$463
SBGM245$6,100

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
39mm
40.5mm
Thickness
10.7mm
14.4mm
Lug-to-Lug
43.5mm
48.6mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Steel
Black

Movement

2 specs
Caliber
9S66
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$463
$6,100

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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.

Grand Seiko SBGM245

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

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