Side by side

Rolex Oyster PerpetualvsGrand Seiko SBGR321

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

Oyster Perpetual
RolexOyster Perpetual
MSRP $7,700
SBGR321
Grand SeikoSBGR321
MSRP $5,200
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Rolex Oyster Perpetual

Owners widely praise the Rolex Oyster Perpetual for its versatility, understated elegance, and premium feel, making it an ideal entry point into the brand. Reviewers and owners alike highlight its clean, simple design and excellent build quality. Some owners specifically commend the chromalight lume, 70-hour power reserve, and sharp dial indices. However, the lume on the hands is reported by one reviewer to be nearly invisible, contrasting with the indices, which hinders readability in complete darkness. Availability at authorized dealers is a significant issue, with high demand, limited production, and recent popularity of dial colors leading to substantial waiting times, often exceeding a year, and grey market premiums. Overall, owners and reviewers rate the Rolex Oyster Perpetual highly for its versatile design and entry-level Rolex appeal, despite significant availability challenges.

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.

At a glance

16 of 29 specs differ
Diameter
Oyster Perpetual31mm
SBGR32140mm
Power Reserve
Oyster Perpetual55h
SBGR32172h
Water Resistance
Oyster Perpetual100m
SBGR321100m
MSRP
Oyster Perpetual$7,700
SBGR321$5,200

Full specifications

Case

8 specs
Category
Mechanical
Dress
Diameter
31mm
40mm
Thickness
13mm
Lug-to-Lug
46.6mm
Lug Width
20mm
Material
Yellow Rolesor
Stainless Steel
Finish
Brushed and polished
Caseback
Monobloc middle case, screw-down case back and winding crown
Solid

Crystal & Dial

4 specs
AR Coating
Yes
Dial Color
Green
Black
Indices
Index
Applied
Lume
Chromalight
None

Movement

3 specs
Caliber
2232
9S65
Power Reserve
55h
72h
Jewels
31
25

Pricing

1 specs
MSRP
$7,700
$5,200
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