Side by side

Sugess MoonPhase Master S389vsFormex Reef 39.5 mm

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

MoonPhase Master S389
SugessMoonPhase Master S389
MSRP $599
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230

At a glance

15 of 29 specs differ
Diameter
MoonPhase Master S38940mm
Reef 39.5 mm39.5mm
Power Reserve
MoonPhase Master S38935h
Reef 39.5 mm56h
Water Resistance
MoonPhase Master S38950m
Reef 39.5 mm300m
MSRP
MoonPhase Master S389$599
Reef 39.5 mm$2,230

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
40mm
39.5mm
Thickness
12mm
11mm
Lug-to-Lug
46mm
45.5mm
Lug Width
20mm
22mm
Water Resistance
50m
300m
Caseback
Display
Solid

Crystal & Dial

2 specs
Dial Color
2 Salmon
Bahama Blue
Lume
Tritium
Super-LumiNova

Movement

5 specs
Caliber
Seagull ST19
Sellita SW300-1
Type
Manual
Automatic
Beat Rate
3 vph
28,800 vph
Power Reserve
35h
56h
Complications
GMT, Chronograph, Moonphase, Date
None

Pricing

1 specs
MSRP
$599
$2,230

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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.

Sugess MoonPhase Master S389

Owners widely praise the Sugess MoonPhase Master S389 for its beautiful dial and glowing moonphase, with some finding it a stunner that exceeds expectations and a bargain for the price. However, reviewers and owners alike flag rotor noise and thickness as potential drawbacks, and one owner reported receiving a defective unit. Accuracy is reported at -6 seconds per day, and while the dial features applied markers and polished hands, the movement finishing is noted as rough under magnification. Overall, owners rate the Sugess MoonPhase Master S389 highly for its aesthetic appeal and value, despite some concerns regarding rotor noise and build quality consistency.

Formex Reef 39.5 mm

The Formex Reef 39.5 mm is widely praised for its refined finishing, comfortable and well-proportioned case design, and impressive specifications for its price point, including COSC-certified Sellita SW300-1 movement and 300m water resistance. Owners and reviewers highlight the tool-less micro-adjust clasp and quick-release spring bars as practical features. Some reviewers note that the 22mm lug width feels slightly disproportionate to the smaller case, and the bracelet could benefit from more taper, though this is a point of contention for some owners who value the overall package. A prototype crown protrusion issue is noted as being addressed for production. On balance, owners and reviewers rate the Formex Reef 39.5 mm highly for its excellent value and well-executed design.

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