Side by side

Grand Seiko SBGY007vsSpinnaker Croft Mid-Size Skeleton

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

SBGY007
Grand SeikoSBGY007
MSRP $8,900
Croft Mid-Size Skeleton
SpinnakerCroft Mid-Size Skeleton
MSRP $425

At a glance

13 of 29 specs differ
Diameter
SBGY00738.5mm
Croft Mid-Size Skeleton40mm
Power Reserve
SBGY00772h
Croft Mid-Size Skeleton40h
Water Resistance
SBGY00730m
Croft Mid-Size Skeleton100m
MSRP
SBGY007$8,900
Croft Mid-Size Skeleton$425

Full specifications

Case

7 specs
Category
Dress
Field
Diameter
38.5mm
40mm
Thickness
10.2mm
14mm
Lug-to-Lug
43.7mm
47mm
Lug Width
19mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
30m
100m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Dollar Diver

Movement

3 specs
Caliber
9R31
SII NH38A
Type
Spring Drive
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$8,900
$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 SBGY007

Grand Seiko SBGY007 owners and reviewers widely praise its stunning, textured blue dial, inspired by frozen Lake Suwa, and its clean, time-only aesthetic. The watch is lauded for its impeccable finishing, including high polish and Zaratsu polishing, and its classic, thin 38.5mm stainless steel dress case. The hand-wound Spring Drive Caliber 9R31 movement is noted for its accuracy, rated to ±1 second per day, and a 72-hour power reserve, with its power reserve indicator discreetly placed on the case back. While some reviewers suggest room for improvement in Grand Seiko's pricing structure, the $8,300 USD price is seen by others as a relatively affordable entry into the brand's high-end offerings. On balance, the consensus is that the Grand Seiko SBGY007 is highly regarded for its exceptional dial artistry and refined finishing at its price point.

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.

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