Which is cheaper, the Seiko Prospex Sea PADI Special Edition or the TSAO Baltimore Balt-Pilot Worldtimer Stealth Black?

At MSRP the Seiko Prospex Sea PADI Special Edition is the cheaper of the two at $650, against $725 for the TSAO Baltimore Balt-Pilot Worldtimer Stealth Black — a $75 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Sea PADI Special Edition or the TSAO Baltimore Balt-Pilot Worldtimer Stealth Black?

The Seiko Prospex Sea PADI Special Edition wears larger at 41.7mm versus 40mm for the TSAO Baltimore Balt-Pilot Worldtimer Stealth Black — a 1.7mm difference across the dial.

Which has better water resistance, the Seiko Prospex Sea PADI Special Edition or the TSAO Baltimore Balt-Pilot Worldtimer Stealth Black?

The Seiko Prospex Sea PADI Special Edition is rated to 200m versus 100m for the TSAO Baltimore Balt-Pilot Worldtimer Stealth Black.

What movement does the Seiko Prospex Sea PADI Special Edition run compared to the TSAO Baltimore Balt-Pilot Worldtimer Stealth Black?

Both watches run automatic movements — the Seiko Prospex Sea PADI Special Edition uses the Seiko 4R35 and the TSAO Baltimore Balt-Pilot Worldtimer Stealth Black uses the Seiko NH34.

Side by side

Seiko Prospex Sea PADI Special EditionvsTSAO Baltimore Balt-Pilot Worldtimer Stealth Black

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

MSRP $650

See the full Prospex Sea PADI Special Edition

TSAO Baltimore Balt-Pilot Worldtimer Stealth Black

MSRP $725

See the full Balt-Pilot Worldtimer Stealth Black

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Buy from TSAO Baltimore ↗

Buy used on eBay ↗

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At a glance

13 of 29 specs differ

Diameter

Prospex Sea PADI Special Edition41.7mm

Balt-Pilot Worldtimer Stealth Black40mm

Power Reserve

Prospex Sea PADI Special Edition41h

Balt-Pilot Worldtimer Stealth Black—

Water Resistance

Prospex Sea PADI Special Edition200m

Balt-Pilot Worldtimer Stealth Black100m

MSRP

Prospex Sea PADI Special Edition$650

Balt-Pilot Worldtimer Stealth Black$725

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal

Hardlex

Sapphire

Dial Color

—

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

3 specs

Caliber

Seiko 4R35

Seiko NH34

Power Reserve

41h

Jewels

Pricing

1 specs

MSRP

$650

$725

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