Side by side

Orient HeliosvsFormex Reef GMT

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

Helios
OrientHelios
MSRP $335
Reef GMT
FormexReef GMT
MSRP $2,235
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Orient Helios

The Orient Helios is widely praised for its vibrant dial, open-heart design, and excellent value for money, with owners noting its great finish and quality that exceeds its price point. The watch is described as attractive and stylish, with a thin profile that wears comfortably, though some owners wish it were smaller. Accuracy figures vary, with one owner reporting it consistently runs 5-6 seconds fast per day, while another sees it at 1-2 seconds fast. Opinions are split on the inclusion of a date window, with some finding it desirable for practicality and aesthetic balance, while others prefer its absence. The stock bracelet receives mixed reviews, with one owner finding it awkward and upgrading to a strap, while another considers it nice with a smooth finish and solid links. Overall, owners rate the Orient Helios highly for its mesmerizing open-heart dial and impressive quality at an attainable price.

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.

At a glance

17 of 29 specs differ
Diameter
Helios40.5mm
Reef GMT42mm
Power Reserve
Helios40h
Reef GMT56h
Water Resistance
Helios30m
Reef GMT300m
MSRP
Helios$335
Reef GMT$2,235

Full specifications

Case

6 specs
Category
GMT
Diameter
40.5mm
42mm
Thickness
12mm
11.4mm
Lug Width
21mm
22mm
Water Resistance
30m
300m
Caseback
Display
Solid

Crystal & Dial

6 specs
Crystal
Mineral
Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Green
Black
Indices
Applied
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
FT622
Sellita SW330-2
Beat Rate
21,600 vph
28,800 vph
Power Reserve
40h
56h
Jewels
22
25

Pricing

1 specs
MSRP
$335
$2,235
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