Side by side

Grand Seiko SBGP009vsSeiko Diamond Collection

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

SBGP009
Grand SeikoSBGP009
MSRP $3,100
Diamond Collection
SeikoDiamond Collection
MSRP $475

At a glance

10 of 29 specs differ
Diameter
SBGP00940mm
Diamond Collection27mm
Power Reserve
SBGP00940h
Diamond Collection40h
Water Resistance
SBGP009100m
Diamond Collection50m
MSRP
SBGP009$3,100
Diamond Collection$475

Full specifications

Case

5 specs
Diameter
40mm
27mm
Thickness
10.6mm
7.5mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
6mm
Water Resistance
100m
50m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
AR Coating
Yes
Inner
Lume
None
LumiBrite on hands and index(es)

Movement

1 specs
Caliber
9F85
V137

Pricing

1 specs
MSRP
$3,100
$475

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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 SBGP009

Grand Seiko SBGP009 owners note its "normal quartz" movement, and one owner criticizes the bracelet for lacking a taper. One owner cites a 40-year-old Seiko quartz watch that has only required battery changes as evidence of the reliability of Grand Seiko's quartz movements. On balance, owners value the Grand Seiko SBGP009 for its perceived long-term reliability.

Seiko Diamond Collection

Owners widely praise the Seiko Diamond Collection for its stunning beauty, particularly highlighting the 14 diamonds and the captivating mother-of-pearl dial, which reviewers note is difficult to photograph accurately. The watch is frequently cited as offering excellent value for its fit and finish, with specific features like sapphire crystal and 100m water resistance contributing to its appeal. One owner reports great durability and accuracy, with a solar charging reserve, though notes that the gold plating on the bracelet shows some fading from desk work. Overall, owners rate the Seiko Diamond Collection highly for its dazzling aesthetics and perceived value.

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