Which is cheaper, the Smith & Bradley Atlantis Blackfish Auto or the Borealis Watch Co. Jamanta?

At MSRP the Borealis Watch Co. Jamanta is the cheaper of the two at $415, against $889 for the Smith & Bradley Atlantis Blackfish Auto — a $474 gap before any retailer discounting.

Which is bigger, the Smith & Bradley Atlantis Blackfish Auto or the Borealis Watch Co. Jamanta?

The Smith & Bradley Atlantis Blackfish Auto wears larger at 44mm versus 42.50mm for the Borealis Watch Co. Jamanta — a 1.5mm difference across the dial.

Which has a longer power reserve, the Smith & Bradley Atlantis Blackfish Auto or the Borealis Watch Co. Jamanta?

The Borealis Watch Co. Jamanta carries a 40-hour power reserve against 38 hours on the Smith & Bradley Atlantis Blackfish Auto.

What movement does the Smith & Bradley Atlantis Blackfish Auto run compared to the Borealis Watch Co. Jamanta?

Both watches run automatic movements — the Smith & Bradley Atlantis Blackfish Auto uses the Sellita SW200 and the Borealis Watch Co. Jamanta uses the Miyota 9015.

Side by side

Smith & Bradley Atlantis Blackfish AutovsBorealis Watch Co. Jamanta

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

Smith & Bradley Atlantis Blackfish Auto

atlantis-blackfish-automatic-dive-watch

MSRP $889

Borealis Watch Co.Jamanta

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

MSRP $415

At a glance

9 of 29 specs differ

Diameter

Atlantis Blackfish Auto44mm

Jamanta42.50mm

Power Reserve

Atlantis Blackfish Auto38h

Jamanta40h

Water Resistance

Atlantis Blackfish Auto300m

Jamanta300m

MSRP

Atlantis Blackfish Auto$889

Jamanta$415

Full specifications

Case

4 specs

Diameter

44mm

42.50mm

Thickness

12mm

13.30mm

Lug-to-Lug

46mm

50.40mm

Lug Width

22mm

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Lume

Superluminova

BGW9

Movement

2 specs

Caliber

Sellita SW200

Miyota 9015

Power Reserve

38h

40h

Pricing

1 specs

MSRP

$889

$415

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