Side by side

Bremont Isle of Man TT Limited EditionvsGrand Seiko SBGR321

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

Isle of Man TT Limited Edition
BremontIsle of Man TT Limited Edition
MSRP $6,600
SBGR321
Grand SeikoSBGR321
MSRP $5,200

At a glance

12 of 29 specs differ
Diameter
Isle of Man TT Limited Edition43mm
SBGR32140mm
Power Reserve
Isle of Man TT Limited Edition40h
SBGR32172h
Water Resistance
Isle of Man TT Limited Edition
SBGR321100m
MSRP
Isle of Man TT Limited Edition$6,600
SBGR321$5,200

Full specifications

Case

7 specs
Category
Chronograph
Dress
Diameter
43mm
40mm
Thickness
15.8mm
13mm
Lug-to-Lug
46.6mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
White
Black

Movement

2 specs
Caliber
9S65
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$6,600
$5,200

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Bremont Isle of Man TT Limited Edition

Some enthusiasts find the speedometer dial gimmicky and tacky. The Bremont Isle of Man TT Limited Edition is a 43mm chronograph with a Trip-Tick case and a chronometer-certified BE-50AV movement offering a 56-hour power reserve. Overall, owners and reviewers find the speedometer dial to be a polarizing design element.

Grand Seiko SBGR321

Grand Seiko SBGR321 owners and reviewers widely praise its attractive design, compelling dimensions, and robust movement. The watch features sharp case lines with contrasting brushing and polishing, a 40mm steel case that provides presence without bulk, and 100m water resistance. Its sunburst blue dial, inspired by the dawn sky over Mount Iwate, showcases Grand Seiko's signature finishing on applied markers and hands, with a red-tipped seconds hand. The 9S65 automatic movement is noted for its precision, running within specifications, with one source reporting a +5 to -3 seconds a day rate and a 3-day power reserve. A blue rotor with a crimson rim, also inspired by Mount Iwate, is visible through the display caseback. On balance, owners and reviewers rate the Grand Seiko SBGR321 highly for its exceptional finishing and compelling blue dial design at its price point.

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