Side by side

Grand Seiko SBGM245vsGrand Seiko SBGR321

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

SBGM245
Grand SeikoSBGM245
MSRP $6,100
SBGR321
Grand SeikoSBGR321
MSRP $5,200

At a glance

7 of 29 specs differ
Diameter
SBGM24540.5mm
SBGR32140mm
Power Reserve
SBGM24572h
SBGR32172h
Water Resistance
SBGM245200m
SBGR321100m
MSRP
SBGM245$6,100
SBGR321$5,200

Full specifications

Case

5 specs
Category
GMT
Dress
Diameter
40.5mm
40mm
Thickness
14.4mm
13mm
Lug-to-Lug
48.6mm
46.6mm
Water Resistance
200m
100m

Movement

1 specs
Caliber
9S66
9S65

Pricing

1 specs
MSRP
$6,100
$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.

Grand Seiko SBGM245

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

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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