Which is cheaper, the Hamilton Khaki Navy Frogman Auto or the Borealis Watch Co. Jamanta?

At MSRP the Borealis Watch Co. Jamanta is the cheaper of the two at $415, against $1,395 for the Hamilton Khaki Navy Frogman Auto — a $980 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Navy Frogman Auto or the Borealis Watch Co. Jamanta?

The Borealis Watch Co. Jamanta wears larger at 42.50mm versus 41mm for the Hamilton Khaki Navy Frogman Auto — a 1.5mm difference across the dial.

Which has a longer power reserve, the Hamilton Khaki Navy Frogman Auto or the Borealis Watch Co. Jamanta?

The Hamilton Khaki Navy Frogman Auto carries a 80-hour power reserve against 40 hours on the Borealis Watch Co. Jamanta.

What movement does the Hamilton Khaki Navy Frogman Auto run compared to the Borealis Watch Co. Jamanta?

Both watches run automatic movements — the Hamilton Khaki Navy Frogman Auto uses the H-10 and the Borealis Watch Co. Jamanta uses the Miyota 9015.

Side by side

Hamilton Khaki Navy Frogman AutovsBorealis Watch Co. Jamanta

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

Hamilton Khaki Navy Frogman Auto

h77455330

MSRP $1,395

Borealis Watch Co.Jamanta

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

MSRP $415

At a glance

8 of 29 specs differ

Diameter

Khaki Navy Frogman Auto41mm

Jamanta42.50mm

Power Reserve

Khaki Navy Frogman Auto80h

Jamanta40h

Water Resistance

Khaki Navy Frogman Auto300m

Jamanta300m

MSRP

Khaki Navy Frogman Auto$1,395

Jamanta$415

Full specifications

Case

4 specs

Diameter

41mm

42.50mm

Thickness

13.09mm

13.30mm

Lug-to-Lug

46mm

50.40mm

Lug Width

20mm

22mm

Crystal & Dial

1 specs

Lume

None

BGW9

Movement

2 specs

Caliber

H-10

Miyota 9015

Power Reserve

80h

40h

Pricing

1 specs

MSRP

$1,395

$415

Follow this matchup

Get a note when Hamilton Khaki Navy Frogman Auto vs Borealis Watch Co. Jamanta gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring