Side by side

Grand Seiko SBGR321vsTornek-Rayville CISO M38 Field

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

SBGR321
Grand SeikoSBGR321
MSRP $5,200
CISO M38 Field
Tornek-RayvilleCISO M38 Field
MSRP $695

At a glance

8 of 29 specs differ
Diameter
SBGR32140mm
CISO M38 Field38mm
Power Reserve
SBGR32172h
CISO M38 Field42h
Water Resistance
SBGR321100m
CISO M38 Field100m
MSRP
SBGR321$5,200
CISO M38 Field$695

Full specifications

Case

4 specs
Category
Dress
Diameter
40mm
38mm
Thickness
13mm
12.45mm
Lug-to-Lug
46.6mm
43.6mm

Crystal & Dial

1 specs
Lume
None
Superluminova

Movement

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

Pricing

1 specs
MSRP
$5,200
$695

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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 CISO M38 Field

Owners widely report the Tornek-Rayville CISO M38 Field offers high overall quality with a comfortable bracelet featuring single-sided screw links. The watch exhibits minimal wear, with only hairline scratches and a faint, difficult-to-photograph bezel mark. On balance, owners value the Tornek-Rayville CISO M38 Field for its robust build and comfortable wearability.

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