Side by side

Grand Seiko SLGA001vsSpinnaker Croft 39 GMT

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

SLGA001
Grand SeikoSLGA001
MSRP $11,100
Croft 39 GMT
SpinnakerCroft 39 GMT
MSRP $445
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 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.

From video reviewers

The 39mm case size is a strength for wearability on smaller wrists. Reviewers noted the Seiko NH34 GMT movement as a positive feature. Reviewers questioned if the watch was the best value proposition against its competition.

At a glance

11 of 29 specs differ
Diameter
SLGA00146.9mm
Croft 39 GMT39mm
Power Reserve
SLGA001120h
Croft 39 GMT40h
Water Resistance
SLGA001100m
Croft 39 GMT100m
MSRP
SLGA001$11,100
Croft 39 GMT$445

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
46.9mm
39mm
Thickness
16mm
13mm
Lug-to-Lug
50.8mm
47mm
Lug Width
23mm
20mm
Material
Titanium
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Black
Red

Movement

3 specs
Caliber
9RA5
Seiko NH34A
Type
Spring Drive
Automatic
Power Reserve
120h
40h

Pricing

1 specs
MSRP
$11,100
$445
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Grand Seiko SLGA001 vs Spinnaker Croft 39 GMT gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.