Which is cheaper, the Smith & Bradley Atlantis Blackfish Auto or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

At MSRP the Smith & Bradley Atlantis Blackfish Auto is the cheaper of the two at $889, against $3,300 for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition — a $2,411 gap before any retailer discounting.

Which has better water resistance, the Smith & Bradley Atlantis Blackfish Auto or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

The Smith & Bradley Atlantis Blackfish Auto is rated to 300m versus 200m for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition.

Which has a longer power reserve, the Smith & Bradley Atlantis Blackfish Auto or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition carries a 50-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 Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

Both watches run automatic movements — the Smith & Bradley Atlantis Blackfish Auto uses the Sellita SW200 and the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition uses the 8L35.

Side by side

Smith & Bradley Atlantis Blackfish AutovsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

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

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

sla061j1

MSRP $3,300

At a glance

11 of 29 specs differ

Diameter

Atlantis Blackfish Auto44mm

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm

Power Reserve

Atlantis Blackfish Auto38h

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h

Water Resistance

Atlantis Blackfish Auto300m

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m

MSRP

Atlantis Blackfish Auto$889

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

4 specs

Thickness

12mm

13mm

Lug-to-Lug

46mm

49.3mm

Lug Width

22mm

20mm

Water Resistance

300m

200m

Crystal & Dial

3 specs

Crystal Shape

Flat

Curved

AR Coating

Yes

Anti-reflective coating on inner surface

Lume

Superluminova

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Sellita SW200

8L35

Power Reserve

38h

50h

Jewels

Pricing

1 specs

MSRP

$889

$3,300

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