Side by side

Formex Reef 42 mmvsStudio Underd0g Desert Sky (Gen3)

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
Desert Sky (Gen3)
Studio Underd0gDesert Sky (Gen3)
MSRP $550

At a glance

11 of 29 specs differ
Diameter
Reef 42 mm42mm
Desert Sky (Gen3)38.5mm
Power Reserve
Reef 42 mm56h
Desert Sky (Gen3)40h
Water Resistance
Reef 42 mm300m
Desert Sky (Gen3)
MSRP
Reef 42 mm$2,414
Desert Sky (Gen3)$550

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
42mm
38.5mm
Thickness
11.4mm
Lug-to-Lug
47mm
Lug Width
22mm
Water Resistance
300m

Crystal & Dial

2 specs
Dial Color
Black
Standard
Lume
Super-LumiNova
None

Movement

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

Pricing

1 specs
MSRP
$2,414
$550

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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.

Studio Underd0g Desert Sky (Gen3)

Owners widely praise the Studio Underd0g Desert Sky (Gen3) for its vibrant blue dial that exhibits depth and liveliness under varying light, its fun and creative design, and its value as a mechanical chronograph. The Seagull 1901 movement provides column-wheel chronograph functionality, with one owner reporting accuracy around +6 seconds per day and satisfying chronograph pusher feel. However, the watch is criticized for a highly reflective, overly domed crystal and weak lume. Some owners find the 13.6mm thickness to be substantial. On balance, owners rate the Studio Underd0g Desert Sky (Gen3) highly for its engaging dial and value proposition as a mechanical chronograph.

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