Side by side

Grand Seiko SBGR321vsSeiko Essentials Solar

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

SBGR321
Grand SeikoSBGR321
MSRP $5,200
Essentials Solar
SeikoEssentials Solar
MSRP $375
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.

Seiko Essentials Solar

Owners find the Seiko Essentials Solar a beautiful and lightweight daily wear, particularly for its value on the grey market. One owner noted the 41mm size did not appear large in person. A single owner reported an orange stripe on a stopwatch button detached due to heat. Overall, owners rate the Seiko Essentials Solar highly for its attractive aesthetic and comfortable wearability at its price point.

At a glance

12 of 29 specs differ
Diameter
SBGR32140mm
Essentials Solar30.5mm
Power Reserve
SBGR32172h
Essentials Solar40h
Water Resistance
SBGR321100m
Essentials Solar
MSRP
SBGR321$5,200
Essentials Solar$375

Full specifications

Case

5 specs
Diameter
40mm
30.5mm
Thickness
13mm
6.8mm
Lug-to-Lug
46.6mm
37.7mm
Lug Width
20mm
12mm
Water Resistance
100m
Splash Resistant

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
Curved
AR Coating
Yes
Inner

Movement

3 specs
Caliber
9S65
V115
Type
Automatic
Quartz
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$5,200
$375
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