Which is cheaper, the Sugess MoonPhase Master S389 or the Borealis Watch Co. Jamanta?

At MSRP the Borealis Watch Co. Jamanta is the cheaper of the two at $415, against $599 for the Sugess MoonPhase Master S389 — a $184 gap before any retailer discounting.

Which is bigger, the Sugess MoonPhase Master S389 or the Borealis Watch Co. Jamanta?

The Borealis Watch Co. Jamanta wears larger at 42.50mm versus 40mm for the Sugess MoonPhase Master S389 — a 2.5mm difference across the dial.

Which has better water resistance, the Sugess MoonPhase Master S389 or the Borealis Watch Co. Jamanta?

The Borealis Watch Co. Jamanta is rated to 300m versus 50m for the Sugess MoonPhase Master S389.

Which has a longer power reserve, the Sugess MoonPhase Master S389 or the Borealis Watch Co. Jamanta?

The Borealis Watch Co. Jamanta carries a 40-hour power reserve against 35 hours on the Sugess MoonPhase Master S389.

What movement does the Sugess MoonPhase Master S389 run compared to the Borealis Watch Co. Jamanta?

The Sugess MoonPhase Master S389 runs a manual caliber (Seagull ST19), while the Borealis Watch Co. Jamanta runs a automatic (Miyota 9015).

Side by side

Sugess MoonPhase Master S389vsBorealis Watch Co. Jamanta

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

Sugess MoonPhase Master S389

S389

MSRP $599

Borealis Watch Co.Jamanta

prometheus-jamanta-black-dial-date-miyota-9015

MSRP $415

At a glance

15 of 29 specs differ

Diameter

MoonPhase Master S38940mm

Jamanta42.50mm

Power Reserve

MoonPhase Master S38935h

Jamanta40h

Water Resistance

MoonPhase Master S38950m

Jamanta300m

MSRP

MoonPhase Master S389$599

Jamanta$415

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Dial Color

2 Salmon

Black

Lume

Tritium

BGW9

Movement

5 specs

Caliber

Seagull ST19

Miyota 9015

Type

Manual

Automatic

Beat Rate

3 vph

28,800 vph

Power Reserve

35h

40h

Complications

GMT, Chronograph, Moonphase, Date

None

Pricing

1 specs

MSRP

$599

$415

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