Which is cheaper, the Mazzucato Rim Sub or the Seiko Prospex SPEEDTIMER Mechanical?

At MSRP the Mazzucato Rim Sub is the cheaper of the two at $600, against $995 for the Seiko Prospex SPEEDTIMER Mechanical — a $395 gap before any retailer discounting.

Which is bigger, the Mazzucato Rim Sub or the Seiko Prospex SPEEDTIMER Mechanical?

The Mazzucato Rim Sub wears larger at 42mm versus 39.5mm for the Seiko Prospex SPEEDTIMER Mechanical — a 2.5mm difference across the dial.

Which has better water resistance, the Mazzucato Rim Sub or the Seiko Prospex SPEEDTIMER Mechanical?

The Mazzucato Rim Sub is rated to 100m versus 20m for the Seiko Prospex SPEEDTIMER Mechanical.

Which has a longer power reserve, the Mazzucato Rim Sub or the Seiko Prospex SPEEDTIMER Mechanical?

The Seiko Prospex SPEEDTIMER Mechanical carries a 72-hour power reserve against 42 hours on the Mazzucato Rim Sub.

What movement does the Mazzucato Rim Sub run compared to the Seiko Prospex SPEEDTIMER Mechanical?

Both watches run automatic movements — the Mazzucato Rim Sub uses the Seiko NH70 and the Seiko Prospex SPEEDTIMER Mechanical uses the 6R55.

Side by side

Mazzucato Rim SubvsSeiko Prospex SPEEDTIMER Mechanical

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

Add a watch

Mazzucato Rim Sub

rim-sub-automatic-watch-red-black

MSRP $600

Seiko Prospex SPEEDTIMER Mechanical

spb513j1

MSRP $995

At a glance

15 of 29 specs differ

Diameter

Rim Sub42mm

Prospex SPEEDTIMER Mechanical39.5mm

Power Reserve

Rim Sub42h

Prospex SPEEDTIMER Mechanical72h

Water Resistance

Rim Sub100m

Prospex SPEEDTIMER Mechanical200m

MSRP

Rim Sub$600

Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

6 specs

Crystal & Dial

5 specs

Crystal

Sapphire

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Orange

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Seiko NH70

6R55

Power Reserve

42h

72h

Jewels

Pricing

1 specs

MSRP

$600

$995

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Mazzucato Rim SubvsSeiko Prospex SPEEDTIMER Mechanical

At a glance

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