Which is cheaper, the Pompeak Sub-Aquatic or the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

At MSRP the Pompeak Sub-Aquatic is the cheaper of the two at $915, against $1,150 for the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition — a $235 gap before any retailer discounting.

Which is bigger, the Pompeak Sub-Aquatic or the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

The Pompeak Sub-Aquatic wears larger at 40mm versus 39.5mm for the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition — a 0.5mm difference across the dial.

Which has better water resistance, the Pompeak Sub-Aquatic or the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

The Pompeak Sub-Aquatic is rated to 200m versus 20m for the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition.

Which has a longer power reserve, the Pompeak Sub-Aquatic or the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

The Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition carries a 72-hour power reserve against 38 hours on the Pompeak Sub-Aquatic.

What movement does the Pompeak Sub-Aquatic run compared to the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

Both watches run automatic movements — the Pompeak Sub-Aquatic uses the Sellita SW200-1 and the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition uses the 6R55.

Side by side

Pompeak Sub-AquaticvsSeiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

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

Add a watch

Pompeak Sub-Aquatic

MSRP $915

Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

spb517j1

MSRP $1,150

At a glance

12 of 29 specs differ

Diameter

Sub-Aquatic40mm

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition39.5mm

Power Reserve

Sub-Aquatic38h

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition72h

Water Resistance

Sub-Aquatic200m

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition200m

MSRP

Sub-Aquatic$915

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition$1,150

Full specifications

Case

5 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Sellita SW200-1

6R55

Power Reserve

38h

72h

Jewels

Pricing

1 specs

MSRP

$915

$1,150

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Pompeak Sub-AquaticvsSeiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

At a glance

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