Side by side

Grand Seiko SLGB001vsTornek-Rayville Blakjak 12-hr GMT

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

SLGB001
Grand SeikoSLGB001
MSRP $39,000
Blakjak 12-hr GMT
Tornek-RayvilleBlakjak 12-hr GMT
MSRP $895

At a glance

12 of 29 specs differ
Diameter
SLGB00137mm
Blakjak 12-hr GMT42.5mm
Power Reserve
SLGB00172h
Blakjak 12-hr GMT42h
Water Resistance
SLGB001100m
Blakjak 12-hr GMT200m
MSRP
SLGB001$39,000
Blakjak 12-hr GMT$895

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
37mm
42.5mm
Thickness
11.4mm
13.2mm
Lug-to-Lug
44.3mm
49mm
Lug Width
20mm
22mm
Material
Platinum
Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

1 specs
Lume
None
Superluminova

Movement

3 specs
Caliber
9RB2
SII NH36
Type
Spring Drive
Automatic
Power Reserve
72h
42h

Pricing

1 specs
MSRP
$39,000
$895

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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.

Tornek-Rayville Blakjak 12-hr GMT

The Tornek-Rayville Blakjak 12-hr GMT is a 42.5mm stainless steel watch featuring a DLC-coated bezel, sapphire crystal, and a matte black dial with 12- and 24-hour scales. It is powered by a Seiko SII NH36 automatic movement, offering a 41-hour power reserve, and boasts 200 meters of water resistance. The dial includes a day/date complication and Super-LumiNova BGW9 lume. Overall, owners and reviewers highlight its robust build and functional military-inspired design as key strengths.

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