Side by side

Grand Seiko SBGR321vsTornek-Rayville Blakjak 12-hr GMT

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

SBGR321
Grand SeikoSBGR321
MSRP $5,200
Blakjak 12-hr GMT
Tornek-RayvilleBlakjak 12-hr GMT
MSRP $895

At a glance

10 of 29 specs differ
Diameter
SBGR32140mm
Blakjak 12-hr GMT42.5mm
Power Reserve
SBGR32172h
Blakjak 12-hr GMT42h
Water Resistance
SBGR321100m
Blakjak 12-hr GMT200m
MSRP
SBGR321$5,200
Blakjak 12-hr GMT$895

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
40mm
42.5mm
Thickness
13mm
13.2mm
Lug-to-Lug
46.6mm
49mm
Lug Width
20mm
22mm
Water Resistance
100m
200m

Crystal & Dial

1 specs
Lume
None
Superluminova

Movement

2 specs
Caliber
9S65
SII NH36
Power Reserve
72h
42h

Pricing

1 specs
MSRP
$5,200
$895

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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.

Tornek-Rayville Blakjak 12-hr GMT

The Tornek-Rayville Blakjak 12-hr GMT is a 42.5mm stainless steel watch featuring a DLC-coated bezel, sapphire crystal, and a matte black dial with 12- and 24-hour scales. It is powered by a Seiko SII NH36 automatic movement, offering a 41-hour power reserve, and boasts 200 meters of water resistance. The dial includes a day/date complication and Super-LumiNova BGW9 lume. Overall, owners and reviewers highlight its robust build and functional military-inspired design as key strengths.

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