Which is cheaper, the Mazzucato Rim Sub or the Grand Seiko SBGM245?

At MSRP the Mazzucato Rim Sub is the cheaper of the two at $600, against $6,100 for the Grand Seiko SBGM245 — a $5,500 gap before any retailer discounting.

Which is bigger, the Mazzucato Rim Sub or the Grand Seiko SBGM245?

The Mazzucato Rim Sub wears larger at 42mm versus 40.5mm for the Grand Seiko SBGM245 — a 1.5mm difference across the dial.

Which has better water resistance, the Mazzucato Rim Sub or the Grand Seiko SBGM245?

The Grand Seiko SBGM245 is rated to 200m versus 100m for the Mazzucato Rim Sub.

Which has a longer power reserve, the Mazzucato Rim Sub or the Grand Seiko SBGM245?

The Grand Seiko SBGM245 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 Grand Seiko SBGM245?

Both watches run automatic movements — the Mazzucato Rim Sub uses the Seiko NH70 and the Grand Seiko SBGM245 uses the 9S66.

Side by side

Mazzucato Rim SubvsGrand Seiko SBGM245

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

Grand Seiko SBGM245

sbgm245g

MSRP $6,100

Buy from Mazzucato ↗

Buy used on eBay ↗

Buy from Grand Seiko ↗

Buy used on eBay ↗

At a glance

12 of 29 specs differ

Diameter

Rim Sub42mm

SBGM24540.5mm

Power Reserve

Rim Sub42h

SBGM24572h

Water Resistance

Rim Sub100m

SBGM245200m

MSRP

Rim Sub$600

SBGM245$6,100

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal

Sapphire

AR Coating

Inner

Yes

Dial Color

Orange

Black

Movement

2 specs

Caliber

Seiko NH70

9S66

Power Reserve

42h

72h

Pricing

1 specs

MSRP

$600

$6,100

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Mazzucato Rim SubvsGrand Seiko SBGM245

At a glance

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