Which is cheaper, the Grand Seiko SLGB005 or the Spinnaker Croft Mid-Size Skeleton?

At MSRP the Spinnaker Croft Mid-Size Skeleton is the cheaper of the two at $425, against $11,100 for the Grand Seiko SLGB005 — a $10,675 gap before any retailer discounting.

Which is bigger, the Grand Seiko SLGB005 or the Spinnaker Croft Mid-Size Skeleton?

The Spinnaker Croft Mid-Size Skeleton wears larger at 40mm versus 37mm for the Grand Seiko SLGB005 — a 3mm difference across the dial.

Which has a longer power reserve, the Grand Seiko SLGB005 or the Spinnaker Croft Mid-Size Skeleton?

The Grand Seiko SLGB005 carries a 72-hour power reserve against 40 hours on the Spinnaker Croft Mid-Size Skeleton.

What movement does the Grand Seiko SLGB005 run compared to the Spinnaker Croft Mid-Size Skeleton?

The Grand Seiko SLGB005 runs a spring drive caliber (9RB2), while the Spinnaker Croft Mid-Size Skeleton runs a automatic (SII NH38A).

Side by side

Grand Seiko SLGB005vsSpinnaker Croft Mid-Size Skeleton

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

Grand Seiko SLGB005

slgb005g

MSRP $11,100

Spinnaker Croft Mid-Size Skeleton

croft-mid-size-skeleton-automatic-spongebob-squarepants-peek-a-boo-limited-edition-dollar-diver-sp-5152-01

MSRP $425

At a glance

11 of 29 specs differ

Diameter

SLGB00537mm

Croft Mid-Size Skeleton40mm

Power Reserve

SLGB00572h

Croft Mid-Size Skeleton40h

Water Resistance

SLGB005100m

Croft Mid-Size Skeleton100m

MSRP

SLGB005$11,100

Croft Mid-Size Skeleton$425

Full specifications

Case

5 specs

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Dial Color

Black

Dollar Diver

Movement

3 specs

Caliber

9RB2

SII NH38A

Type

Spring Drive

Automatic

Power Reserve

72h

40h

Pricing

1 specs

MSRP

$11,100

$425

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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.

Fratello·2

Hodinkee

Time + Tide

Spinnaker Croft Mid-Size Skeleton

The Spinnaker Croft Mid-Size Skeleton is noted for its 40mm steel case, sapphire crystal, and 150m water resistance. One owner reports strong performance from the TMI NH70 movement at -3 seconds per day, with very nice lume. On balance, owners find the Spinnaker Croft Mid-Size Skeleton to be a pretty nice option, particularly for its movement performance and lume.

WatchUSeek·2

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