Side by side

Grand Seiko SLGW004vsSpinnaker Bradner GMT

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

SLGW004
Grand SeikoSLGW004
MSRP $30,000
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

13 of 29 specs differ
Diameter
SLGW00438.8mm
Bradner GMT42mm
Power Reserve
SLGW00480h
Bradner GMT40h
Water Resistance
SLGW00430m
Bradner GMT180m
MSRP
SLGW004$30,000
Bradner GMT$299

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
38.8mm
42mm
Thickness
10.4mm
15mm
Lug-to-Lug
43.7mm
50mm
Lug Width
19mm
22mm
Material
Gold
316L Stainless Steel
Water Resistance
30m
180m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Brown

Movement

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

Pricing

1 specs
MSRP
$30,000
$299

Follow this matchup

Get a note when Grand Seiko SLGW004 vs Spinnaker Bradner GMT gets more votes, a community discussion, or a price drop. No account needed.

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 Bradner GMT

The Spinnaker Bradner GMT is praised for its awesome lume and comfortable wearability, with one owner noting the rubber strap is very comfortable and the beads of rice bracelet fits well on smaller wrists. Some find its 15mm thickness and bold colorway may not appeal to everyone, and one owner views it as more of a casual GMT with tool-watch styling than a diver. Overall, owners rate the Spinnaker Bradner GMT highly for its value and comfortable wearability.

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.

Adjacent matchups

People also compared

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