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 $2,700

At a glance

19 of 29 specs differ
Diameter
SBGR32140mm
FLAGSHIP CLASSIC40mm
Power Reserve
SBGR32172h
FLAGSHIP CLASSIC72h
Water Resistance
SBGR321100m
FLAGSHIP CLASSIC30m
MSRP
SBGR321$5,200
FLAGSHIP CLASSIC$2,700

Full specifications

Case

7 specs
Category
Dress
Thickness
13mm
8.7mm
Lug-to-Lug
46.6mm
47mm
Lug Width
20mm
21mm
Finish
Brushed and polished
Water Resistance
100m
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Yes
Underside
Dial Color
Black
Brown
Indices
Applied
Diamond indexes
Lume
None
Super-LumiNova

Movement

6 specs
Caliber
9S65
L888.5
Beat Rate
28,800 vph
25,200 vph
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$5,200
$2,700

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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 praise the Longines FLAGSHIP CLASSIC as a beautiful, classy dress watch with deep brand heritage, suitable for special occasions. One owner noted the stock strap appears narrow due to the lug design, making spring bars visible. The Longines FLAGSHIP CLASSIC reissue is considered a fantastic deal at $700, especially after a recent official Longines service and dial replacement, presenting it as a like-new watch. However, its lack of patina may disappoint collectors who value "character" from wear and scratches. Overall, owners rate the Longines FLAGSHIP CLASSIC highly for its aesthetic appeal and value proposition.

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