Side by side

Grand Seiko SBGR321vsLongines MASTER COLLECTION

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

SBGR321
Grand SeikoSBGR321
MSRP $5,200
MASTER COLLECTION
LonginesMASTER COLLECTION
MSRP $3,950

At a glance

20 of 29 specs differ
Diameter
SBGR32140mm
MASTER COLLECTION29mm
Power Reserve
SBGR32172h
MASTER COLLECTION45h
Water Resistance
SBGR321100m
MASTER COLLECTION30m
MSRP
SBGR321$5,200
MASTER COLLECTION$3,950

Full specifications

Case

9 specs
Category
Dress
Diameter
40mm
29mm
Thickness
13mm
9mm
Lug-to-Lug
46.6mm
34.5mm
Lug Width
20mm
15mm
Material
Stainless Steel
18k Yellow Gold
Finish
Brushed and polished
Water Resistance
100m
30m
Caseback
Solid

Crystal & Dial

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

Movement

6 specs
Caliber
9S65
L592.5
Beat Rate
28,800 vph
0 vph
Power Reserve
72h
45h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$5,200
$3,950

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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 MASTER COLLECTION

The Longines MASTER COLLECTION is widely praised for its excellent finishing and value, with owners highlighting its classic design and dressy profile. Reviewers note the beautiful dial execution, featuring engraved Breguet numerals and snailed subdials on some variants, and the smooth winding feel of the automatic movements. The Master Collection Chronograph is specifically lauded for its column wheel chronograph and moon phase complication at its price point. However, some owners find the bracelet difficult to adjust due to a lack of micro-adjustments, and one reviewer criticized the case finishing and pushers on the chronograph as homogenous and cheap-feeling. The Master Collection Annual Calendar's 30m water resistance is considered light by one source. Overall, owners and reviewers rate the Longines MASTER COLLECTION highly for its classical styling and exceptional value, particularly for its complications and finishing at the price.

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