Side by side

Formex Reef GMTvsZelos Artemis

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

Reef GMT
FormexReef GMT
MSRP $2,235
Artemis
ZelosArtemis
MSRP $1,899

At a glance

13 of 29 specs differ
Diameter
Reef GMT42mm
Artemis40mm
Power Reserve
Reef GMT56h
Artemis40h
Water Resistance
Reef GMT300m
Artemis50m
MSRP
Reef GMT$2,235
Artemis$1,899

Full specifications

Case

7 specs
Category
GMT
Skeleton
Diameter
42mm
40mm
Thickness
11.4mm
10.2mm
Lug-to-Lug
47mm
40mm
Lug Width
22mm
24mm
Material
Stainless Steel
Titanium
Water Resistance
300m
50m

Crystal & Dial

2 specs
Dial Color
Black
Titanium
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW330-2
Swiss Skeletonised Marvin 700
Type
Automatic
Manual
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,235
$1,899

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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.

Zelos Artemis

The watch's unique modular case construction with a sandblasted titanium outer case and a grey/white Cerakote coating on the center is a notable strength. The FKM rubber strap can be prone to a slight rattle, which may be a minor annoyance for some owners. Reviewers disagree on the watch's value proposition, with one reviewer questioning its value for collectors.

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