Side by side

Formex Reef 42 mmvsSeiko 5 Sports SKX series DENHAM Limited Edition, Seiko Boutique exclusive model

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

At a glance

11 of 29 specs differ
Diameter
Reef 42 mm42mm
5 Sports SKX series DENHAM Limited Edition, Seiko Boutique exclusive model42.5mm
Power Reserve
Reef 42 mm56h
5 Sports SKX series DENHAM Limited Edition, Seiko Boutique exclusive model41h
Water Resistance
Reef 42 mm300m
5 Sports SKX series DENHAM Limited Edition, Seiko Boutique exclusive model100m
MSRP
Reef 42 mm$2,414
5 Sports SKX series DENHAM Limited Edition, Seiko Boutique exclusive model$430

Full specifications

Case

4 specs
Diameter
42mm
42.5mm
Thickness
11.4mm
13.4mm
Lug-to-Lug
47mm
46mm
Water Resistance
300m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
Curved
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW300-1
4R36
Power Reserve
56h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$2,414
$430

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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.

Seiko 5 Sports SKX series DENHAM Limited Edition, Seiko Boutique exclusive model

Owners widely praise the 5 Sports SKX series DENHAM Limited Edition for its translucent indigo dial, spinning day/date wheels, Kanji day display, and exceptionally smooth bezel action, finding it unique without being gaudy. One owner highlights the premium NATO strap and denim-inspired design, while others note its appeal with blue jeans and a resemblance to other denim-themed watches. The 4R36 movement powers the watch, offering a 41-hour power reserve. However, one reviewer found the overall execution crude and the nylon strap a dissonant element, suggesting a different platform would have been more suitable. Some owners also note the watch is a bit large. On balance, owners and reviewers appreciate the 5 Sports SKX series DENHAM Limited Edition for its distinctive denim-inspired aesthetic and unique dial features.

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