Which is cheaper, the Bremont Isle of Man TT Limited Edition or the Grand Seiko SBGA384?

At MSRP the Bremont Isle of Man TT Limited Edition is the cheaper of the two at $6,600, against $29,500 for the Grand Seiko SBGA384 — a $22,900 gap before any retailer discounting.

Which is bigger, the Bremont Isle of Man TT Limited Edition or the Grand Seiko SBGA384?

The Bremont Isle of Man TT Limited Edition wears larger at 43mm versus 40mm for the Grand Seiko SBGA384 — a 3mm difference across the dial.

Which has a longer power reserve, the Bremont Isle of Man TT Limited Edition or the Grand Seiko SBGA384?

The Grand Seiko SBGA384 carries a 72-hour power reserve against 40 hours on the Bremont Isle of Man TT Limited Edition.

What movement does the Bremont Isle of Man TT Limited Edition run compared to the Grand Seiko SBGA384?

The Bremont Isle of Man TT Limited Edition runs a automatic caliber, while the Grand Seiko SBGA384 runs a spring drive (9R15).

Side by side

Bremont Isle of Man TT Limited EditionvsGrand Seiko SBGA384

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

Bremont Isle of Man TT Limited Edition

isle-of-man-tt-limited-edition-white

MSRP $6,600

Grand Seiko SBGA384

sbga384g

MSRP $29,500

At a glance

13 of 29 specs differ

Diameter

Isle of Man TT Limited Edition43mm

SBGA38440mm

Power Reserve

Isle of Man TT Limited Edition40h

SBGA38472h

Water Resistance

Isle of Man TT Limited Edition—

SBGA384100m

MSRP

Isle of Man TT Limited Edition$6,600

SBGA384$29,500

Full specifications

Case

7 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Dial Color

White

Black

Movement

3 specs

Caliber

—

9R15

Type

Automatic

Spring Drive

Power Reserve

40h

72h

Pricing

1 specs

MSRP

$6,600

$29,500

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