Side by side

Formex Reef GMTvsVaer D5 Meridian Auto

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

Reef GMT
FormexReef GMT
MSRP $2,235
D5 Meridian Auto
VaerD5 Meridian Auto
MSRP $679

At a glance

11 of 29 specs differ
Diameter
Reef GMT42mm
D5 Meridian Auto39mm
Power Reserve
Reef GMT56h
D5 Meridian Auto40h
Water Resistance
Reef GMT300m
D5 Meridian Auto200m
MSRP
Reef GMT$2,235
D5 Meridian Auto$679

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
42mm
39mm
Thickness
11.4mm
12.5mm
Lug-to-Lug
47mm
46mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

1 specs
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW330-2
Miyota 9015
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,235
$679

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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.

Vaer D5 Meridian Auto

Owners widely praise the Vaer D5 Meridian Auto for its classic aesthetic, comfortable 39mm size, and well-executed 120-click bezel with minimal back play. Reviewers highlight the anodized aluminum bezel insert, lyre lugs, sword hands, and gold accents on the blue sunburst dial as contributing to its old-school charm, making it a great companion for desk diving with comfortable strap options and quick-release spring bars. One owner specifically noted satisfaction with the 42mm variant's premium steel bracelet featuring a tool-less micro-adjust clasp. On balance, owners and reviewers rate the Vaer D5 Meridian Auto highly for its classic design and comfortable wearability at its price point.

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