Which is cheaper, the Duckworth Prestex Belmont 300 Automatic or the Seiko Prospex Sea PADI Special Edition?

At MSRP the Seiko Prospex Sea PADI Special Edition is the cheaper of the two at $650, against $750 for the Duckworth Prestex Belmont 300 Automatic — a $100 gap before any retailer discounting.

Which is bigger, the Duckworth Prestex Belmont 300 Automatic or the Seiko Prospex Sea PADI Special Edition?

The Duckworth Prestex Belmont 300 Automatic wears larger at 42mm versus 41.7mm for the Seiko Prospex Sea PADI Special Edition — a 0.3mm difference across the dial.

Which has better water resistance, the Duckworth Prestex Belmont 300 Automatic or the Seiko Prospex Sea PADI Special Edition?

The Duckworth Prestex Belmont 300 Automatic is rated to 300m versus 200m for the Seiko Prospex Sea PADI Special Edition.

Which has a longer power reserve, the Duckworth Prestex Belmont 300 Automatic or the Seiko Prospex Sea PADI Special Edition?

The Seiko Prospex Sea PADI Special Edition carries a 41-hour power reserve against 38 hours on the Duckworth Prestex Belmont 300 Automatic.

What movement does the Duckworth Prestex Belmont 300 Automatic run compared to the Seiko Prospex Sea PADI Special Edition?

Both watches run automatic movements — the Duckworth Prestex Belmont 300 Automatic uses the Miyota 9039 and the Seiko Prospex Sea PADI Special Edition uses the 4R35.

Side by side

Duckworth Prestex Belmont 300 AutomaticvsSeiko Prospex Sea PADI Special Edition

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

Add a watch

Duckworth Prestex Belmont 300 Automatic

belmont-300

MSRP $750

Seiko Prospex Sea PADI Special Edition

srpl53

MSRP $650

Buy from Duckworth Prestex ↗

Buy used on eBay ↗

Buy from Seiko ↗

Buy used on eBay ↗

At a glance

12 of 29 specs differ

Diameter

Belmont 300 Automatic42mm

Prospex Sea PADI Special Edition41.7mm

Power Reserve

Belmont 300 Automatic38h

Prospex Sea PADI Special Edition41h

Water Resistance

Belmont 300 Automatic300m

Prospex Sea PADI Special Edition200m

MSRP

Belmont 300 Automatic$750

Prospex Sea PADI Special Edition$650

Full specifications

Case

5 specs

Crystal & Dial

3 specs

Crystal

Sapphire

Hardlex

Dial Color

—

Black

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Miyota 9039

4R35

Power Reserve

38h

41h

Jewels

Pricing

1 specs

MSRP

$750

$650

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Duckworth Prestex Belmont 300 AutomaticvsSeiko Prospex Sea PADI Special Edition

At a glance

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