Side by side

Lum-Tec Solar MarinevsFormex Reef 42 mm

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

Solar Marine
Lum-TecSolar Marine
MSRP $463
Reef 42 mm
FormexReef 42 mm
MSRP $2,414

At a glance

10 of 29 specs differ
Diameter
Solar Marine39mm
Reef 42 mm42mm
Power Reserve
Solar Marine40h
Reef 42 mm56h
Water Resistance
Solar Marine300m
Reef 42 mm300m
MSRP
Solar Marine$463
Reef 42 mm$2,414

Full specifications

Case

5 specs
Diameter
39mm
42mm
Thickness
10.7mm
11.4mm
Lug-to-Lug
43.5mm
47mm
Lug Width
20mm
22mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel

Crystal & Dial

2 specs
Dial Color
Steel
Black
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Sellita SW300-1
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$463
$2,414

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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.

Formex Reef 42 mm

The Formex Reef 42 mm is widely praised for its comfortable bracelet featuring a micro-adjust clasp, COSC-certified Sellita movement, and excellent build quality. Owners appreciate the gradient dial's visual appeal and the overall wearability. Some owners note the seconds hand does not perfectly align with markers, and one owner found the lugs' taper hinders third-party strap fit. The bracelet's length and sporty design are noted as limiting versatility by some. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its impressive wearability and value at the price point.

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