Side by side

CIGA Design EDGE EXPLORATIONvsGrand Seiko SBGR321

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

EDGE EXPLORATION
CIGA DesignEDGE EXPLORATION
MSRP $359
SBGR321
Grand SeikoSBGR321
MSRP $5,200

At a glance

12 of 29 specs differ
Diameter
EDGE EXPLORATION48mm
SBGR32140mm
Power Reserve
EDGE EXPLORATION40h
SBGR32172h
Water Resistance
EDGE EXPLORATION30m
SBGR321100m
MSRP
EDGE EXPLORATION$359
SBGR321$5,200

Full specifications

Case

6 specs
Category
Skeleton
Dress
Diameter
48mm
40mm
Thickness
12.3mm
13mm
Lug-to-Lug
46.6mm
Lug Width
22mm
20mm
Water Resistance
30m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
Swiss Super-Luminova
None

Movement

3 specs
Caliber
9S65
Power Reserve
40h
72h
Jewels
24
25

Pricing

1 specs
MSRP
$359
$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.

CIGA Design EDGE EXPLORATION

Owners widely praise the CIGA Design EDGE EXPLORATION for its impressive quality and packaging, noting its surprisingly light feel on the wrist. One owner reports the stock strap may be too small for some wrists, but replacement straps are readily available. On balance, owners rate the CIGA Design EDGE EXPLORATION highly for its perceived quality and comfortable, lightweight wearability.

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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