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

At MSRP the Borealis Watch Co. Jamanta is the cheaper of the two at $415, against $975 for the Hamilton Khaki Navy Scuba Auto — a $560 gap before any retailer discounting.

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

The Borealis Watch Co. Jamanta wears larger at 42.50mm versus 40mm for the Hamilton Khaki Navy Scuba Auto — a 2.5mm difference across the dial.

Which has better water resistance, the Hamilton Khaki Navy Scuba Auto or the Borealis Watch Co. Jamanta?

The Borealis Watch Co. Jamanta is rated to 300m versus 100m for the Hamilton Khaki Navy Scuba Auto.

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

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

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

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

Side by side

Hamilton Khaki Navy Scuba AutovsBorealis Watch Co. Jamanta

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

Hamilton Khaki Navy Scuba Auto

h82315131

MSRP $975

Borealis Watch Co.Jamanta

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

MSRP $415

At a glance

9 of 29 specs differ

Diameter

Khaki Navy Scuba Auto40mm

Jamanta42.50mm

Power Reserve

Khaki Navy Scuba Auto80h

Jamanta40h

Water Resistance

Khaki Navy Scuba Auto100m

Jamanta300m

MSRP

Khaki Navy Scuba Auto$975

Jamanta$415

Full specifications

Case

5 specs

Diameter

40mm

42.50mm

Thickness

12.95mm

13.30mm

Lug-to-Lug

46mm

50.40mm

Lug Width

20mm

22mm

Water Resistance

100m

300m

Crystal & Dial

1 specs

Lume

None

BGW9

Movement

2 specs

Caliber

H-10

Miyota 9015

Power Reserve

80h

40h

Pricing

1 specs

MSRP

$975

$415

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