Side by side

Bremont Supermarine 300MvsSugess MoonPhase Master S389

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

Supermarine 300M
BremontSupermarine 300M
MSRP $3,550
MoonPhase Master S389
SugessMoonPhase Master S389
MSRP $599

At a glance

13 of 29 specs differ
Diameter
Supermarine 300M40mm
MoonPhase Master S38940mm
Power Reserve
Supermarine 300M40h
MoonPhase Master S38935h
Water Resistance
Supermarine 300M300m
MoonPhase Master S38950m
MSRP
Supermarine 300M$3,550
MoonPhase Master S389$599

Full specifications

Case

5 specs
Category
Diver
Chronograph
Lug-to-Lug
46mm
Material
904L Stainless Steel
Stainless Steel
Water Resistance
300m
50m
Caseback
Solid
Display

Crystal & Dial

2 specs
Dial Color
Green
2 Salmon
Lume
None
Tritium

Movement

5 specs
Caliber
BE-92AE
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
$3,550
$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 Supermarine 300M

The Bremont Supermarine 300M is praised for its comfortable 40mm and 42mm case sizes, with owners noting the 42mm wears well on smaller wrists due to its lug design. One owner highlights the 13mm thinness of the 40mm case, considered compact for a 300m diver. The watch is priced at $1375. On balance, owners and reviewers appreciate the Bremont Supermarine 300M for its wearability and compact dimensions, especially for a dive watch.

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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