Side by side

Bremont ionBirdvsSugess MoonPhase Master S389

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

ionBird
BremontionBird
MSRP $5,800
MoonPhase Master S389
SugessMoonPhase Master S389
MSRP $599

At a glance

16 of 29 specs differ
Diameter
ionBird43mm
MoonPhase Master S38940mm
Power Reserve
ionBird40h
MoonPhase Master S38935h
Water Resistance
ionBird
MoonPhase Master S38950m
MSRP
ionBird$5,800
MoonPhase Master S389$599

Full specifications

Case

8 specs
Category
Pilot
Chronograph
Diameter
43mm
40mm
Thickness
12mm
Lug-to-Lug
46mm
Lug Width
20mm
Material
Titanium
Stainless Steel
Water Resistance
50m
Caseback
Solid
Display

Crystal & Dial

2 specs
Dial Color
Regular length (15cm - 19cm wrist size)
2 Salmon
Lume
None
Tritium

Movement

5 specs
Caliber
Seagull ST19
Type
Automatic
Manual
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
35h
Complications
None
GMT, Chronograph, Moonphase, Date

Pricing

1 specs
MSRP
$5,800
$599

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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.

Bremont ionBird

Owners report the Bremont ionBird is overpriced and features a printed dial with a poorly placed date window at 4:30, which some find visually disruptive. However, some owners suggest its case finishing is superior to competitors. The 43mm titanium Bremont ionBird GMT is powered by a COSC-certified BE-93-2AV automatic movement and retails for $5,795. On balance, owners and reviewers find the Bremont ionBird's date window placement and price point to be significant drawbacks.

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.

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