Which is cheaper, the Borealis Watch Co. Jamanta or the Formex Reef 42 mm?

At MSRP the Borealis Watch Co. Jamanta is the cheaper of the two at $415, against $2,414 for the Formex Reef 42 mm — a $1,999 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Jamanta or the Formex Reef 42 mm?

The Borealis Watch Co. Jamanta wears larger at 42.50mm versus 42mm for the Formex Reef 42 mm — a 0.5mm difference across the dial.

Which has a longer power reserve, the Borealis Watch Co. Jamanta or the Formex Reef 42 mm?

The Formex Reef 42 mm carries a 56-hour power reserve against 40 hours on the Borealis Watch Co. Jamanta.

What movement does the Borealis Watch Co. Jamanta run compared to the Formex Reef 42 mm?

Both watches run automatic movements — the Borealis Watch Co. Jamanta uses the Miyota 9015 and the Formex Reef 42 mm uses the Sellita SW300-1.

Side by side

Borealis Watch Co. JamantavsFormex Reef 42 mm

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

Formex Reef 42 mm

reef-42mm-automatic-cosc-300m-black

MSRP $2,414

At a glance

8 of 29 specs differ

Diameter

Jamanta42.50mm

Reef 42 mm42mm

Power Reserve

Jamanta40h

Reef 42 mm56h

Water Resistance

Jamanta300m

Reef 42 mm300m

MSRP

Jamanta$415

Reef 42 mm$2,414

Full specifications

Case

4 specs

Diameter

42.50mm

42mm

Thickness

13.30mm

11.4mm

Lug-to-Lug

50.40mm

47mm

Lug Width

22mm

Crystal & Dial

1 specs

Lume

BGW9

Super-LumiNova

Movement

2 specs

Caliber

Miyota 9015

Sellita SW300-1

Power Reserve

40h

56h

Pricing

1 specs

MSRP

$415

$2,414

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—Used

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