Side by side

Formex Reef GMTvsSeiko Coutura

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

Reef GMT
FormexReef GMT
MSRP $2,235
Coutura
SeikoCoutura
MSRP $525

At a glance

11 of 29 specs differ
Diameter
Reef GMT42mm
Coutura44mm
Power Reserve
Reef GMT56h
Coutura40h
Water Resistance
Reef GMT300m
Coutura100m
MSRP
Reef GMT$2,235
Coutura$525

Full specifications

Case

6 specs
Category
GMT
Dress
Diameter
42mm
44mm
Thickness
11.4mm
11.8mm
Lug-to-Lug
47mm
46mm
Lug Width
22mm
12mm
Water Resistance
300m
100m

Crystal & Dial

1 specs
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW330-2
V198
Type
Automatic
Quartz
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,235
$525

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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.

Seiko Coutura

Owners widely report the Seiko Coutura's wear-resistant metal treatments maintain their appearance over years of ownership. The watch is praised for its solar power and perpetual calendar features, with some owners finding its weight and appearance captivating. However, opinions on its styling are divided, with some finding it gaudy or too busy, while others consider it beautiful and a fun departure from minimalist designs. Some owners express dissatisfaction with the proprietary bracelet. One owner notes the solar power reserve requires constant light exposure. Overall, owners rate the Seiko Coutura well for its durable finish and useful solar and perpetual calendar complications, despite polarizing styling.

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