Side by side

Grand Seiko SLGB001vsSpinnaker Bradner GMT

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

SLGB001
Grand SeikoSLGB001
MSRP $39,000
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

13 of 29 specs differ
Diameter
SLGB00137mm
Bradner GMT42mm
Power Reserve
SLGB00172h
Bradner GMT40h
Water Resistance
SLGB001100m
Bradner GMT180m
MSRP
SLGB001$39,000
Bradner GMT$299

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
37mm
42mm
Thickness
11.4mm
15mm
Lug-to-Lug
44.3mm
50mm
Lug Width
20mm
22mm
Material
Platinum
316L Stainless Steel
Water Resistance
100m
180m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Brown

Movement

3 specs
Caliber
9RB2
Seiko NH34A
Type
Spring Drive
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$39,000
$299

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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 SLGB001

The Grand Seiko SLGB001 is a limited edition platinum watch in the Evolution 9 collection, featuring a 37mm case and the new Calibre 9RB2 Spring Drive U.F.A. movement, rated to ±20 seconds per year. It has an "Ice Forest" dial with a deep blue hue and a silver seconds hand, but notably lacks lume. A criticism is the absence of a micro-adjustment clasp on its leather strap. Overall, reviewers highlight the watch's advanced movement and distinctive dial as key features.

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.

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