Side by side

Grand Seiko SLGB005vsWilliam Wood Beacon

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

SLGB005
Grand SeikoSLGB005
MSRP $11,100
Beacon
William WoodBeacon
MSRP $495

At a glance

10 of 29 specs differ
Diameter
SLGB00537mm
Beacon41mm
Power Reserve
SLGB00572h
Beacon40h
Water Resistance
SLGB005100m
Beacon50m
MSRP
SLGB005$11,100
Beacon$495

Full specifications

Case

4 specs
Diameter
37mm
41mm
Thickness
11.4mm
11mm
Lug-to-Lug
44.3mm
41mm
Water Resistance
100m
50m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Blue

Movement

3 specs
Caliber
9RB2
Ronda 762
Type
Spring Drive
Quartz
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$11,100
$495

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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 SLGB005

The Grand Seiko SLGB005 is widely praised for its stunning "Ice Forest" smoked purple dial, inspired by frost-covered trees, and its compact 37mm Ever-Brilliant Steel case. It is powered by the 9RB2 Spring Drive caliber, noted for its exceptional accuracy of ±3 seconds per month or ±20 seconds per year, and offers a 72-hour power reserve. Reviewers consistently highlight the dial's mesmerizing beauty and the case's sculpted design as significant strengths. However, multiple sources express disappointment that the Grand Seiko SLGB005 omits the micro-adjustment clasp found on other models, especially considering its $11,100 price point, though one reviewer found this did not detract from wearability. Overall, reviewers rate the Grand Seiko SLGB005 highly for its visually arresting dial and precise Spring Drive movement, despite the clasp oversight.

From video reviewers

The watch features a ±3 seconds per month accurate Ultra Fine Accuracy Calibre 9RB2 movement. The Ever-Brilliant Steel finish has polishing flaws that detract from the watch's appearance. Reviewers disagree on the movement's accuracy, with one reviewer citing ±3 seconds per month and another ±10 seconds per month.

William Wood Beacon

The William Wood Beacon is praised for its bold flavors, particularly its prominent oak and rye influence, with tasting notes of candied orange peel, dried apricots, and baking spices, and a long, full finish. Some find its oak-forward profile overwhelming and its MSRP of $300 unreasonable. Overall, owners rate the William Wood Beacon highly for its bold flavors and character, with one owner awarding it a score of 9.4/10.

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