Side by side

CWC Automatic Divers Watch Mk.2 BlackvsFormex Reef GMT

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

Automatic Divers Watch Mk.2 Black
CWCAutomatic Divers Watch Mk.2 Black
MSRP $1,249
Reef GMT
FormexReef GMT
MSRP $2,235

At a glance

8 of 29 specs differ
Diameter
Automatic Divers Watch Mk.2 Black41mm
Reef GMT42mm
Power Reserve
Automatic Divers Watch Mk.2 Black40h
Reef GMT56h
Water Resistance
Automatic Divers Watch Mk.2 Black300m
Reef GMT300m
MSRP
Automatic Divers Watch Mk.2 Black$1,249
Reef GMT$2,235

Full specifications

Case

4 specs
Category
Diver
GMT
Diameter
41mm
42mm
Thickness
12mm
11.4mm
Lug Width
20mm
22mm

Crystal & Dial

1 specs
Dial Color
CWC Automatic Divers Watch Mk.2 Black (SF300 AS120)
Black

Movement

2 specs
Caliber
Sellita SW200-1
Sellita SW330-2
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$1,249
$2,235

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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.

CWC Automatic Divers Watch Mk.2 Black

Owners widely praise the CWC Automatic Divers Watch Mk.2 Black for its brushed chapter ring, precise 120-click bezel, clear sapphire crystal, excellent case finishing, and significantly improved lume. The watch is considered a terrific value with solid construction. Some owners express a preference for a matte finish for a more tool-like appearance, though polished versions offer a dressier look and easier scratch removal. On balance, owners rate the CWC Automatic Divers Watch Mk.2 Black highly for its tool-like features and excellent value.

From video reviewers

The bezel action is smooth. The price has increased due to popularity.

Formex Reef GMT

The Formex Reef GMT is widely praised for its unique porthole case shape, COSC-certified Sellita SW330-2 movement with good finishing, and comfortable quick-release bracelet with on-the-fly micro-adjustment. Reviewers note its robust construction, impressive specifications, and strong value proposition, with a slim 11.4mm profile accommodating 300m water resistance and an exhibition caseback. However, owners widely report the 53mm lug-to-lug span with male endlinks makes it too large for smaller wrists. Some find the bezel action stiff and potentially slippery, and a reviewer desired sharper finishing and edges, deeming the aesthetic too modernist. The GMT variant sacrifices a timing bezel unless swapped, and one owner notes sharp edges on the crown and crown guard. Overall, owners and reviewers highly rate the Formex Reef GMT for its exceptional value and well-executed features, particularly its bracelet system and COSC-certified movement.

From video reviewers

The watch features a COSC-certified SW330-2 GMT movement, which is visible through a sapphire crystal display case back and beautifully decorated. The watch's water-resistance of up to 300m/1000ft is a notable feature. The 42mm diameter may be too large for smaller wrists.

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