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Sugess MoonPhase Master S426vsFormex Reef GMT

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

MoonPhase Master S426
SugessMoonPhase Master S426
MSRP $599
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.

Sugess MoonPhase Master S426

Owners widely praise the Sugess MoonPhase Master S426 for its sapphire crystal, well-finished stainless steel case, and the Seagull ST2153 automatic movement, which offers hacking and manual winding. The watch features a real moonphase complication, power reserve indicator, and date function, all for approximately $200. Reviewers highlight the guilloche dial detailing and the ST2155 movement, an ETA clone, noting its true moonphase complication. Overall, owners rate the Sugess MoonPhase Master S426 highly for its impressive complications and finishing at its price point.

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

14 of 29 specs differ
Diameter
MoonPhase Master S42640mm
Reef GMT42mm
Power Reserve
MoonPhase Master S42635h
Reef GMT56h
Water Resistance
MoonPhase Master S4265m
Reef GMT300m
MSRP
MoonPhase Master S426$599
Reef GMT$2,235

Full specifications

Case

8 specs
Category
Chronograph
GMT
Diameter
40mm
42mm
Thickness
10mm
11.4mm
Lug-to-Lug
46mm
47mm
Lug Width
20mm
22mm
Material
Stainless Steel/Rose Gold
Stainless Steel
Water Resistance
5m
300m
Caseback
Display
Solid

Crystal & Dial

1 specs
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
ST2153
Sellita SW330-2
Beat Rate
4 vph
28,800 vph
Power Reserve
35h
56h
Complications
Moonphase, Date, Power reserve indicator
None

Pricing

1 specs
MSRP
$599
$2,235
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