Which is cheaper, the Seiko Prospex Sea PADI Special Edition or the Zenith Defy Extreme Diver?

At MSRP the Seiko Prospex Sea PADI Special Edition is the cheaper of the two at $625, against $12,300 for the Zenith Defy Extreme Diver — a $11,675 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Sea PADI Special Edition or the Zenith Defy Extreme Diver?

The Seiko Prospex Sea PADI Special Edition wears larger at 43.8mm versus 42.5mm for the Zenith Defy Extreme Diver — a 1.3mm difference across the dial.

Which has better water resistance, the Seiko Prospex Sea PADI Special Edition or the Zenith Defy Extreme Diver?

The Zenith Defy Extreme Diver is rated to 600m versus 200m for the Seiko Prospex Sea PADI Special Edition.

Which has a longer power reserve, the Seiko Prospex Sea PADI Special Edition or the Zenith Defy Extreme Diver?

The Zenith Defy Extreme Diver carries a 60-hour power reserve against 41 hours on the Seiko Prospex Sea PADI Special Edition.

Side by side

Seiko Prospex Sea PADI Special EditionvsZenith Defy Extreme Diver

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

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Seiko Prospex Sea PADI Special Edition

srpj93

MSRP $625

Zenith Defy Extreme Diver

defy-extreme-diver-95-9601-3620-51-i301

MSRP $12,300

At a glance

20 of 29 specs differ

Diameter

Prospex Sea PADI Special Edition43.8mm

Defy Extreme Diver42.5mm

Power Reserve

Prospex Sea PADI Special Edition41h

Defy Extreme Diver60h

Water Resistance

Prospex Sea PADI Special Edition200m

Defy Extreme Diver600m

MSRP

Prospex Sea PADI Special Edition$625

Defy Extreme Diver$12,300

Full specifications

Case

8 specs

Diameter

43.8mm

42.5mm

Thickness

12.8mm

—

Lug-to-Lug

48.7mm

—

Lug Width

22mm

—

Material

Stainless Steel

Titanium

Finish

Brushed and polished

Brushed titanium

Water Resistance

200m

600m

Caseback

Solid

—

Crystal & Dial

6 specs

Crystal

Sapphire

—

Crystal Shape

Flat

—

AR Coating

Anti-reflective coating on inner surface

—

Dial Color

Black

Blue

Indices

Applied

—

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

5 specs

Caliber

4R35

—

Type

Automatic

—

Beat Rate

28,800 vph

36,000 vph

Power Reserve

41h

60h

Jewels

Pricing

1 specs

MSRP

$625

$12,300

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Seiko Prospex Sea PADI Special EditionvsZenith Defy Extreme Diver

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