Side by side

Grand Seiko SBGR321vsSpinnaker Croft 39 GMT

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

SBGR321
Grand SeikoSBGR321
MSRP $5,200
Croft 39 GMT
SpinnakerCroft 39 GMT
MSRP $445

At a glance

9 of 29 specs differ
Diameter
SBGR32140mm
Croft 39 GMT39mm
Power Reserve
SBGR32172h
Croft 39 GMT40h
Water Resistance
SBGR321100m
Croft 39 GMT100m
MSRP
SBGR321$5,200
Croft 39 GMT$445

Full specifications

Case

4 specs
Category
Dress
GMT
Diameter
40mm
39mm
Lug-to-Lug
46.6mm
47mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Red

Movement

2 specs
Caliber
9S65
Seiko NH34A
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$5,200
$445

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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.

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.

Spinnaker Croft 39 GMT

Owners praise the Spinnaker Croft 39 GMT for its colorful design, NH34 GMT movement, and reasonable price, noting high-standard manufacturing on the case, bezel, and bracelet. One owner finds the 43mm case and 51mm lug-to-lug dimensions too large for the design, preferring a 39-40mm case size. A potential issue with the lume was noted by one user. On balance, owners value the Spinnaker Croft 39 GMT for its attractive design and build quality at its price point, though sizing is a point of contention for some.

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