Side by side

Grand Seiko SLGW004vsSpinnaker Croft 39 GMT

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

SLGW004
Grand SeikoSLGW004
MSRP $30,000
Croft 39 GMT
SpinnakerCroft 39 GMT
MSRP $445

At a glance

13 of 29 specs differ
Diameter
SLGW00438.8mm
Croft 39 GMT39mm
Power Reserve
SLGW00480h
Croft 39 GMT40h
Water Resistance
SLGW00430m
Croft 39 GMT100m
MSRP
SLGW004$30,000
Croft 39 GMT$445

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
38.8mm
39mm
Thickness
10.4mm
13mm
Lug-to-Lug
43.7mm
47mm
Lug Width
19mm
20mm
Material
Gold
316L Stainless Steel
Water Resistance
30m
100m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Red

Movement

3 specs
Caliber
9SA4
Seiko NH34A
Type
Manual
Automatic
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$30,000
$445

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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 SLGW004

The Grand Seiko SLGW004 is praised for its elegant, faithful reissue design and impressive technical execution, featuring a new 9SA4 hi-beat manual-winding movement with an 80-hour power reserve and accuracy of -3/+5 seconds per day. Reviewers highlight the sharp case facets, double-signed dial, and beautifully decorated movement visible through the display caseback, along with an enjoyable winding experience. One reviewer noted a desire for better water resistance and expressed a dislike for the etched sapphire case back. Overall, reviewers rate the Grand Seiko SLGW004 highly for its elegant design and technically impressive movement.

Spinnaker Croft 39 GMT

Owners praise the Spinnaker Croft 39 GMT for its colorful design, NH34 GMT movement, and reasonable price, noting high-standard manufacturing on the case, bezel, and bracelet. One owner finds the 43mm case and 51mm lug-to-lug dimensions too large for the design, preferring a 39-40mm case size. A potential issue with the lume was noted by one user. On balance, owners value the Spinnaker Croft 39 GMT for its attractive design and build quality at its price point, though sizing is a point of contention for some.

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