Side by side

Grand Seiko SLGA001vsSpinnaker Hull Commander

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

SLGA001
Grand SeikoSLGA001
MSRP $11,100
Hull Commander
SpinnakerHull Commander
MSRP $520

At a glance

11 of 29 specs differ
Diameter
SLGA00146.9mm
Hull Commander42mm
Power Reserve
SLGA001120h
Hull Commander40h
Water Resistance
SLGA001100m
Hull Commander300m
MSRP
SLGA001$11,100
Hull Commander$520

Full specifications

Case

6 specs
Diameter
46.9mm
42mm
Thickness
16mm
13.5mm
Lug-to-Lug
50.8mm
49mm
Lug Width
23mm
22mm
Material
Titanium
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Black
TIGER EYE

Movement

3 specs
Caliber
9RA5
SII NH35A
Type
Spring Drive
Automatic
Power Reserve
120h
40h

Pricing

1 specs
MSRP
$11,100
$520

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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 SLGA001

The Grand Seiko SLGA001 is praised for its impressive technical achievements, including a new, slimmer Spring Drive movement with a five-day power reserve and exceptional accuracy of ±0.5 seconds per day. Reviewers note the 47mm titanium case, despite its substantial dimensions, wears more comfortably due to its titanium construction, short lugs, and virtually scratch-proof finish. The watch features a 600-meter water resistance and is limited to 700 pieces, priced at $11,100. On balance, reviewers consider the Grand Seiko SLGA001 a highly capable dive watch, with its technological advancements in the Spring Drive movement being a key highlight.

From video reviewers

The watch's Spring Drive movement, specifically the Cal.9RA5, offers a 120-hour power reserve. A notable trade-off is the watch's relatively large size, with a case diameter of 46.9mm and thickness of 16.0mm, which may not suit those with smaller wrists. The high price point may be a trade-off for some buyers.

Spinnaker Hull Commander

The Spinnaker Hull Commander is widely praised by owners for its excellent build quality and finishing relative to its sub-$200 price point. Some owners note that watches in the Hull line can be thick. One owner flags that the big date complication on the Chronograph variant is partially obscured by the chronograph hand, and the included leather strap is unsuitable for a 100M water-resistant watch. On balance, owners rate the Spinnaker Hull Commander highly for its exceptional value and robust construction at its price.

From video reviewers

The unique, naturally patterned dial is a significant aesthetic draw. The 42mm case diameter and 50mm lug-to-lug measurement may be large for smaller wrists.

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