Which is cheaper, the Smith & Bradley Atlantis Blackfish Auto or the Bremont Supermarine 300M?

At MSRP the Smith & Bradley Atlantis Blackfish Auto is the cheaper of the two at $889, against $3,550 for the Bremont Supermarine 300M — a $2,661 gap before any retailer discounting.

Which is bigger, the Smith & Bradley Atlantis Blackfish Auto or the Bremont Supermarine 300M?

The Smith & Bradley Atlantis Blackfish Auto wears larger at 44mm versus 40mm for the Bremont Supermarine 300M — a 4mm difference across the dial.

Which has a longer power reserve, the Smith & Bradley Atlantis Blackfish Auto or the Bremont Supermarine 300M?

The Bremont Supermarine 300M 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 Bremont Supermarine 300M?

Both watches run automatic movements — the Smith & Bradley Atlantis Blackfish Auto uses the Sellita SW200 and the Bremont Supermarine 300M uses the BE-92AE.

Side by side

Smith & Bradley Atlantis Blackfish AutovsBremont Supermarine 300M

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

Bremont Supermarine 300M

sm40-nd-ss-gn-b

MSRP $3,550

At a glance

10 of 29 specs differ

Diameter

Atlantis Blackfish Auto44mm

Supermarine 300M40mm

Power Reserve

Atlantis Blackfish Auto38h

Supermarine 300M40h

Water Resistance

Atlantis Blackfish Auto300m

Supermarine 300M300m

MSRP

Atlantis Blackfish Auto$889

Supermarine 300M$3,550

Full specifications

Case

4 specs

Diameter

44mm

40mm

Lug-to-Lug

46mm

—

Lug Width

22mm

20mm

Material

Stainless Steel

904L Stainless Steel

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Black

Green

Lume

Superluminova

None

Movement

2 specs

Caliber

Sellita SW200

BE-92AE

Power Reserve

38h

40h

Pricing

1 specs

MSRP

$889

$3,550

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