Which is cheaper, the Mazzucato RIM Monza or the Grand Seiko SLGA001?

At MSRP the Mazzucato RIM Monza is the cheaper of the two at $1,800, against $11,100 for the Grand Seiko SLGA001 — a $9,300 gap before any retailer discounting.

Which is bigger, the Mazzucato RIM Monza or the Grand Seiko SLGA001?

The Mazzucato RIM Monza wears larger at 48mm versus 46.9mm for the Grand Seiko SLGA001 — a 1.1mm difference across the dial.

Which has better water resistance, the Mazzucato RIM Monza or the Grand Seiko SLGA001?

The Grand Seiko SLGA001 is rated to 100m versus 50m for the Mazzucato RIM Monza.

What movement does the Mazzucato RIM Monza run compared to the Grand Seiko SLGA001?

The Mazzucato RIM Monza runs a automatic caliber (Miyota 9015), while the Grand Seiko SLGA001 runs a spring drive (9RA5).

Side by side

Mazzucato RIM MonzavsGrand Seiko SLGA001

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

Add a watch

Mazzucato RIM Monza

rim-monza-o48mm-green

MSRP $1,800

Grand Seiko SLGA001

slga001g

MSRP $11,100

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Buy used on eBay ↗

Buy from Grand Seiko ↗

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At a glance

13 of 29 specs differ

Diameter

RIM Monza48mm

SLGA00146.9mm

Power Reserve

RIM Monza—

SLGA001120h

Water Resistance

RIM Monza50m

SLGA001100m

MSRP

RIM Monza$1,800

SLGA001$11,100

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Dial Color

—

Black

Movement

3 specs

Caliber

Miyota 9015

9RA5

Type

Automatic

Spring Drive

Power Reserve

—

120h

Pricing

1 specs

MSRP

$1,800

$11,100

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