Side by side

Lum-Tec Solar MarinevsSpinnaker Croft 39 GMT

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

Solar Marine
Lum-TecSolar Marine
MSRP $463
Croft 39 GMT
SpinnakerCroft 39 GMT
MSRP $445

At a glance

8 of 29 specs differ
Diameter
Solar Marine39mm
Croft 39 GMT39mm
Power Reserve
Solar Marine40h
Croft 39 GMT40h
Water Resistance
Solar Marine300m
Croft 39 GMT100m
MSRP
Solar Marine$463
Croft 39 GMT$445

Full specifications

Case

5 specs
Category
Diver
GMT
Thickness
10.7mm
13mm
Lug-to-Lug
43.5mm
47mm
Material
316L Stainless Steel (DLC coated)
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Steel
Red

Movement

1 specs
Caliber
Seiko NH34A

Pricing

1 specs
MSRP
$463
$445

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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.

Spinnaker Croft 39 GMT

Owners praise the Spinnaker Croft 39 GMT for its colorful design, NH34 GMT movement, and reasonable price, noting high-standard manufacturing on the case, bezel, and bracelet. One owner finds the 43mm case and 51mm lug-to-lug dimensions too large for the design, preferring a 39-40mm case size. A potential issue with the lume was noted by one user. On balance, owners value the Spinnaker Croft 39 GMT for its attractive design and build quality at its price point, though sizing is a point of contention for some.

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