Which is cheaper, the Smith & Bradley Atlantis A2 Quartz or the Seiko Prospex Sea?

At MSRP the Smith & Bradley Atlantis A2 Quartz is the cheaper of the two at $349, against $900 for the Seiko Prospex Sea — a $551 gap before any retailer discounting.

Which is bigger, the Smith & Bradley Atlantis A2 Quartz or the Seiko Prospex Sea?

The Smith & Bradley Atlantis A2 Quartz wears larger at 44mm versus 41mm for the Seiko Prospex Sea — a 3mm difference across the dial.

Which has better water resistance, the Smith & Bradley Atlantis A2 Quartz or the Seiko Prospex Sea?

The Smith & Bradley Atlantis A2 Quartz is rated to 300m versus 200m for the Seiko Prospex Sea.

What movement does the Smith & Bradley Atlantis A2 Quartz run compared to the Seiko Prospex Sea?

The Smith & Bradley Atlantis A2 Quartz runs a quartz caliber, while the Seiko Prospex Sea runs a automatic (6R35).

Side by side

Smith & Bradley Atlantis A2 QuartzvsSeiko Prospex Sea

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

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Smith & Bradley Atlantis A2 Quartz

MSRP $349

See the full Atlantis A2 Quartz

Seiko Prospex Sea

MSRP $900

See the full Prospex Sea

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At a glance

13 of 29 specs differ

Diameter

Atlantis A2 Quartz44mm

Prospex Sea41mm

Power Reserve

Atlantis A2 Quartz—

Prospex Sea70h

Water Resistance

Atlantis A2 Quartz300m

Prospex Sea200m

MSRP

Atlantis A2 Quartz$349

Prospex Sea$900

Full specifications

Case

5 specs

Diameter

44mm

41mm

Thickness

0mm

12.3mm

Lug-to-Lug

0mm

46.9mm

Lug Width

22mm

20mm

Water Resistance

300m

200m

Crystal & Dial

3 specs

Crystal Shape

—

Curved

AR Coating

Yes

Anti-reflective coating on inner surface

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

4 specs

Caliber

—

6R35

Type

Quartz

Automatic

Power Reserve

70h

Jewels

Pricing

1 specs

MSRP

$349

$900

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Smith & Bradley Atlantis A2 QuartzvsSeiko Prospex Sea

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