Side by side

Tornek-Rayville Paradive G3 12-hr Aluminum Non-datevsGrand Seiko SBGR321

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

Paradive G3 12-hr Aluminum Non-date
Tornek-RayvilleParadive G3 12-hr Aluminum Non-date
MSRP $949
SBGR321
Grand SeikoSBGR321
MSRP $5,200

At a glance

9 of 29 specs differ
Diameter
Paradive G3 12-hr Aluminum Non-date41.25mm
SBGR32140mm
Power Reserve
Paradive G3 12-hr Aluminum Non-date41h
SBGR32172h
Water Resistance
Paradive G3 12-hr Aluminum Non-date200m
SBGR321100m
MSRP
Paradive G3 12-hr Aluminum Non-date$949
SBGR321$5,200

Full specifications

Case

5 specs
Category
Diver
Dress
Diameter
41.25mm
40mm
Thickness
15.54mm
13mm
Lug-to-Lug
49.5mm
46.6mm
Water Resistance
200m
100m

Crystal & Dial

1 specs
Lume
Superluminova
None

Movement

2 specs
Caliber
SII NE15
9S65
Power Reserve
41h
72h

Pricing

1 specs
MSRP
$949
$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.

Tornek-Rayville Paradive G3 12-hr Aluminum Non-date

Owners rate the Tornek-Rayville Paradive G3 12-hr Aluminum Non-date highly for its purposeful, no-nonsense design and bead-blasted 41.25mm steel case. The Seiko Instruments NE15B automatic movement kept good time, gaining about +4 seconds per day. One owner noted slight rub marks on the underside after some use. Overall, owners and reviewers rate the Tornek-Rayville Paradive G3 12-hr Aluminum Non-date well for its vintage-inspired design and reliable timekeeping.

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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