Side by side

Grand Seiko SBGR321vsSpinnaker Wreck Automatic

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

SBGR321
Grand SeikoSBGR321
MSRP $5,200
Wreck Automatic
SpinnakerWreck Automatic
MSRP $189

At a glance

11 of 29 specs differ
Diameter
SBGR32140mm
Wreck Automatic44mm
Power Reserve
SBGR32172h
Wreck Automatic40h
Water Resistance
SBGR321100m
Wreck Automatic200m
MSRP
SBGR321$5,200
Wreck Automatic$189

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
40mm
44mm
Thickness
13mm
14mm
Lug-to-Lug
46.6mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

1 specs
AR Coating
Yes
Inner

Movement

2 specs
Caliber
9S65
SII NH35A
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$5,200
$189

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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 Wreck Automatic

The Spinnaker Wreck Automatic is widely praised for its exceptional value, featuring a distressed finish on its aluminum bezel and etched dial. Owners consistently highlight the excellent bezel and crown action, with one owner noting it surpasses that of many higher-end watches. The 43mm steel case is water-resistant to 100 meters and houses a Seiko NH-35 automatic movement with a 42-hour power reserve. Overall, owners rate the Spinnaker Wreck Automatic highly for its impressive build quality and tactile feel at its price point.

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