Side by side

Formex Reef GMTvsHorage Supersede Dual Time

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

Reef GMT
FormexReef GMT
MSRP $2,235
Supersede Dual Time
HorageSupersede Dual Time
MSRP $6,710

At a glance

10 of 29 specs differ
Diameter
Reef GMT42mm
Supersede Dual Time39.5mm
Power Reserve
Reef GMT56h
Supersede Dual Time72h
Water Resistance
Reef GMT300m
Supersede Dual Time200m
MSRP
Reef GMT$2,235
Supersede Dual Time$6,710

Full specifications

Case

4 specs
Diameter
42mm
39.5mm
Thickness
11.4mm
9.85mm
Lug-to-Lug
47mm
46.29mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
No
Dial Color
Black
Denim Blue

Movement

3 specs
Caliber
Sellita SW330-2
Horage K2
Power Reserve
56h
72h
Complications
None
Dual Time

Pricing

1 specs
MSRP
$2,235
$6,710

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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 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.

Horage Supersede Dual Time

The Horage Supersede Dual Time is widely praised for its technically impressive, 98% in-house micro-rotor GMT movement, thin 10mm case, and 39.5mm size, along with excellent finishing and a comfortable bracelet. Owners also note its robust 200m water resistance and 904L steel construction. Some reviewers find the GMT sub-dial illegible, and one owner reported a bezel alignment issue requiring repair, while another flagged the date setting as potentially confusing. The $8,000 price point is considered high by some, though others view it as exceptional value for the movement and build quality. On balance, owners and reviewers rate the Horage Supersede Dual Time highly for its innovative micro-rotor GMT movement and high level of finishing at its price point.

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