Which is cheaper, the Smith & Bradley Atlantis A2 Auto or the Seiko Prospex Sea Save the Ocean Special Edition?

At MSRP the Seiko Prospex Sea Save the Ocean Special Edition is the cheaper of the two at $625, against $789 for the Smith & Bradley Atlantis A2 Auto — a $164 gap before any retailer discounting.

Which is bigger, the Smith & Bradley Atlantis A2 Auto or the Seiko Prospex Sea Save the Ocean Special Edition?

The Seiko Prospex Sea Save the Ocean Special Edition wears larger at 45mm versus 44mm for the Smith & Bradley Atlantis A2 Auto — a 1mm difference across the dial.

Which has better water resistance, the Smith & Bradley Atlantis A2 Auto or the Seiko Prospex Sea Save the Ocean Special Edition?

The Smith & Bradley Atlantis A2 Auto is rated to 300m versus 200m for the Seiko Prospex Sea Save the Ocean Special Edition.

Which has a longer power reserve, the Smith & Bradley Atlantis A2 Auto or the Seiko Prospex Sea Save the Ocean Special Edition?

The Seiko Prospex Sea Save the Ocean Special Edition carries a 41-hour power reserve against 38 hours on the Smith & Bradley Atlantis A2 Auto.

What movement does the Smith & Bradley Atlantis A2 Auto run compared to the Seiko Prospex Sea Save the Ocean Special Edition?

Both watches run automatic movements — the Smith & Bradley Atlantis A2 Auto uses the Sellita SW200 and the Seiko Prospex Sea Save the Ocean Special Edition uses the 4R36.

Side by side

Smith & Bradley Atlantis A2 AutovsSeiko Prospex Sea Save the Ocean Special Edition

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

Smith & Bradley Atlantis A2 Auto

copy-of-atlantis-automatic-watch

MSRP $789

Seiko Prospex Sea Save the Ocean Special Edition

srpf77

MSRP $625

At a glance

10 of 29 specs differ

Diameter

Atlantis A2 Auto44mm

Prospex Sea Save the Ocean Special Edition45mm

Power Reserve

Atlantis A2 Auto38h

Prospex Sea Save the Ocean Special Edition41h

Water Resistance

Atlantis A2 Auto300m

Prospex Sea Save the Ocean Special Edition200m

MSRP

Atlantis A2 Auto$789

Prospex Sea Save the Ocean Special Edition$625

Full specifications

Case

4 specs

Diameter

44mm

45mm

Thickness

12mm

13.2mm

Lug-to-Lug

46mm

47.7mm

Water Resistance

300m

200m

Crystal & Dial

2 specs

AR Coating

Yes

Anti-reflective coating on inner surface

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Sellita SW200

4R36

Power Reserve

38h

41h

Jewels

Pricing

1 specs

MSRP

$789

$625

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