Side by side

Grand Seiko SLGH005vsSeiko Diamond Collection

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

SLGH005
Grand SeikoSLGH005
MSRP $9,800
Diamond Collection
SeikoDiamond Collection
MSRP $525

At a glance

8 of 29 specs differ
Diameter
SLGH00540mm
Diamond Collection32mm
Power Reserve
SLGH00580h
Diamond Collection40h
Water Resistance
SLGH005100m
Diamond Collection100m
MSRP
SLGH005$9,800
Diamond Collection$525

Full specifications

Case

4 specs
Diameter
40mm
32mm
Thickness
11.7mm
8.2mm
Lug-to-Lug
47mm
39mm
Lug Width
22mm
15mm

Crystal & Dial

1 specs
AR Coating
Yes
Inner

Movement

2 specs
Caliber
9SA5
6N32
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$9,800
$525

Follow this matchup

Get a note when Grand Seiko SLGH005 vs Seiko Diamond Collection gets more votes, a community discussion, or a price drop. No account needed.

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 SLGH005

The Grand Seiko SLGH005 is widely praised for its stunning "White Birch" textured dial, exceptional finishing including mirror-polished indexes and Zaratsu polishing, and the innovative Caliber 9SA5 movement. Owners and reviewers consistently highlight the dial's texture and the elaborate, mirror-like indexes. The watch's 40mm stainless steel case is noted for its slender, sporty design and comfortable wearability, with some finding its size well-proportioned and its brushed and polished surfaces practical for hiding scratches. The 9SA5 movement is recognized for its 80-hour power reserve and 36,000 vph hi-beat frequency, though one owner found its finishing less impressive than other movement types in a similar price bracket. Some reviewers consider its price somewhat high relative to alternatives and desire a micro-adjustable bracelet. On balance, owners and reviewers rate the Grand Seiko SLGH005 highly for its exquisite dial and finishing, powered by an advanced high-beat movement.

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. Its 33.2mm case size, 100m water resistance, sapphire crystal, and lightweight build are appreciated features contributing to comfortable wear. Some owners find the dial detail is best appreciated in direct sunlight. The gold plating on some models may show fading from desk work over time. Overall, owners rate the Seiko Diamond Collection highly for its dazzling aesthetics and comfortable, well-finished design at its price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.