Which is bigger, the Crafter Blue Mechanic Ocean Mark II or the Seiko Prospex SPEEDTIMER Mechanical?

The Crafter Blue Mechanic Ocean Mark II wears larger at 41mm versus 39.5mm for the Seiko Prospex SPEEDTIMER Mechanical — a 1.5mm difference across the dial.

Which has better water resistance, the Crafter Blue Mechanic Ocean Mark II or the Seiko Prospex SPEEDTIMER Mechanical?

The Crafter Blue Mechanic Ocean Mark II is rated to 300m versus 20m for the Seiko Prospex SPEEDTIMER Mechanical.

What movement does the Crafter Blue Mechanic Ocean Mark II run compared to the Seiko Prospex SPEEDTIMER Mechanical?

Both watches run automatic movements — the Crafter Blue Mechanic Ocean Mark II uses the Miyota 9015 and the Seiko Prospex SPEEDTIMER Mechanical uses the 6R55.

Side by side

Crafter Blue Mechanic Ocean Mark IIvsSeiko Prospex SPEEDTIMER Mechanical

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

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Crafter Blue Mechanic Ocean Mark II

crafter-blue-mechanic-ocean-mark-ii-mo2ss007-hk-limited-edition-shipping-date-nov-2024

Seiko Prospex SPEEDTIMER Mechanical

spb513j1

MSRP $995

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At a glance

14 of 29 specs differ

Diameter

Mechanic Ocean Mark II41mm

Prospex SPEEDTIMER Mechanical39.5mm

Power Reserve

Mechanic Ocean Mark II—

Prospex SPEEDTIMER Mechanical72h

Water Resistance

Mechanic Ocean Mark II300m

Prospex SPEEDTIMER Mechanical200m

MSRP

Mechanic Ocean Mark II—

Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

White

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Miyota 9015

6R55

Power Reserve

—

72h

Jewels

Pricing

1 specs

MSRP

—

$995

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