Side by side

Grand Seiko SBGR321vsLongines FLAGSHIP CLASSIC

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

SBGR321
Grand SeikoSBGR321
MSRP $5,200
FLAGSHIP CLASSIC
LonginesFLAGSHIP CLASSIC
MSRP $2,350

At a glance

16 of 29 specs differ
Diameter
SBGR32140mm
FLAGSHIP CLASSIC40mm
Power Reserve
SBGR32172h
FLAGSHIP CLASSIC72h
Water Resistance
SBGR321100m
FLAGSHIP CLASSIC30m
MSRP
SBGR321$5,200
FLAGSHIP CLASSIC$2,350

Full specifications

Case

6 specs
Thickness
13mm
8.7mm
Lug-to-Lug
46.6mm
47mm
Lug Width
20mm
21mm
Finish
Brushed and polished
Water Resistance
100m
30m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Black
Silver
Indices
Applied

Movement

5 specs
Caliber
9S65
L888.5
Beat Rate
28,800 vph
0 vph
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$5,200
$2,350

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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.

Longines FLAGSHIP CLASSIC

Owners widely praise the Longines FLAGSHIP CLASSIC for its faithful vintage design, impressive finishing for the price, and classic sizing, with many appreciating the "marble-like" patina on the cream dial. The watch is considered a strong value, offering great construction and a genuine alligator strap, with some owners finding it a versatile everyday or dress watch. Accuracy is generally reported as decent, and a slim movement contributes to its wearability. However, some owners note the 3-bar water resistance is limiting, and one owner found the 12.4mm thickness and flat caseback made it wear tall and difficult to slip under a cuff. On balance, owners rate the Longines FLAGSHIP CLASSIC highly for its vintage aesthetic and value proposition.

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