Side by side

Formex Reef 42 mmvsZelos Skyraider 40 Skeleton

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

Reef 42 mm
FormexReef 42 mm
MSRP $2,414
Skyraider 40 Skeleton
ZelosSkyraider 40 Skeleton
MSRP $1,999

At a glance

13 of 29 specs differ
Diameter
Reef 42 mm42mm
Skyraider 40 Skeleton40mm
Power Reserve
Reef 42 mm56h
Skyraider 40 Skeleton40h
Water Resistance
Reef 42 mm300m
Skyraider 40 Skeleton50m
MSRP
Reef 42 mm$2,414
Skyraider 40 Skeleton$1,999

Full specifications

Case

7 specs
Category
Diver
Skeleton
Diameter
42mm
40mm
Thickness
11.4mm
8.2mm
Lug-to-Lug
47mm
40mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
50m

Crystal & Dial

2 specs
Dial Color
Black
Ti Damascus LE
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW300-1
Swiss Skeletonised Marvin 700
Type
Automatic
Manual
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,414
$1,999

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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.

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.

Zelos Skyraider 40 Skeleton

The Zelos Skyraider 40 Skeleton is noted for its skeletonized dial and the use of BGW9 and C3 Super-LumiNova for legibility. It is powered by a manual-wind ETA 6498 movement, offering a 44-hour power reserve. On balance, the Zelos Skyraider 40 Skeleton is seen as a cool-looking option, though availability is a factor.

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