Which is cheaper, the Borealis Watch Co. Jamanta or the Gruppo Gamma Field III GMT Date?

At MSRP the Borealis Watch Co. Jamanta is the cheaper of the two at $415, against $459 for the Gruppo Gamma Field III GMT Date — a $44 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Jamanta or the Gruppo Gamma Field III GMT Date?

The Borealis Watch Co. Jamanta wears larger at 42.50mm versus 40mm for the Gruppo Gamma Field III GMT Date — a 2.5mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Jamanta or the Gruppo Gamma Field III GMT Date?

The Borealis Watch Co. Jamanta is rated to 300m versus 200m for the Gruppo Gamma Field III GMT Date.

Which has a longer power reserve, the Borealis Watch Co. Jamanta or the Gruppo Gamma Field III GMT Date?

The Gruppo Gamma Field III GMT Date carries a 41-hour power reserve against 40 hours on the Borealis Watch Co. Jamanta.

What movement does the Borealis Watch Co. Jamanta run compared to the Gruppo Gamma Field III GMT Date?

Both watches run automatic movements — the Borealis Watch Co. Jamanta uses the Miyota 9015 and the Gruppo Gamma Field III GMT Date uses the Seiko Instruments NH38A.

Side by side

Borealis Watch Co. JamantavsGruppo Gamma Field III GMT Date

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

Borealis Watch Co.Jamanta

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

MSRP $415

Gruppo Gamma Field III GMT Date

venturo-gmt-date

MSRP $459

At a glance

12 of 29 specs differ

Diameter

Jamanta42.50mm

Field III GMT Date40mm

Power Reserve

Jamanta40h

Field III GMT Date41h

Water Resistance

Jamanta300m

Field III GMT Date200m

MSRP

Jamanta$415

Field III GMT Date$459

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Lume

BGW9

Super-LumiNova

Movement

3 specs

Caliber

Miyota 9015

Seiko Instruments NH38A

Power Reserve

40h

41h

Complications

None

GMT, Date

Pricing

1 specs

MSRP

$415

$459

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