Side by side

Grand Seiko SLGH005vsSpinnaker Spence 300

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

SLGH005
Grand SeikoSLGH005
MSRP $9,800
Spence 300
SpinnakerSpence 300
MSRP $650

At a glance

11 of 29 specs differ
Diameter
SLGH00540mm
Spence 30040mm
Power Reserve
SLGH00580h
Spence 30040h
Water Resistance
SLGH005100m
Spence 300300m
MSRP
SLGH005$9,800
Spence 300$650

Full specifications

Case

6 specs
Category
Dress
Diver
Thickness
11.7mm
11.5mm
Lug-to-Lug
47mm
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Aquamarine

Movement

2 specs
Caliber
9SA5
SII NH35A
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$9,800
$650

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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 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.

Spinnaker Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

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