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 $625 for the Seiko Prospex Sea — a $276 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 43.8mm for the Seiko Prospex Sea — a 0.2mm 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 (Seiko 4R35).

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 $625

See the full Prospex Sea

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Buy from Seiko ↗

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At a glance

11 of 29 specs differ

Diameter

Atlantis A2 Quartz44mm

Prospex Sea43.8mm

Power Reserve

Atlantis A2 Quartz—

Prospex Sea41h

Water Resistance

Atlantis A2 Quartz300m

Prospex Sea200m

MSRP

Atlantis A2 Quartz$349

Prospex Sea$625

Full specifications

Case

4 specs

Diameter

44mm

43.8mm

Thickness

0mm

12.8mm

Lug-to-Lug

0mm

48.7mm

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

4 specs

Caliber

—

Seiko 4R35

Type

Quartz

Automatic

Power Reserve

41h

Jewels

Pricing

1 specs

MSRP

$349

$625

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