Side by side

Grand Seiko SBGA375vsTornek-Rayville Blakjak 12-hr GMT

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

SBGA375
Grand SeikoSBGA375
MSRP $5,600
Blakjak 12-hr GMT
Tornek-RayvilleBlakjak 12-hr GMT
MSRP $895

At a glance

11 of 29 specs differ
Diameter
SBGA37540mm
Blakjak 12-hr GMT42.5mm
Power Reserve
SBGA37572h
Blakjak 12-hr GMT42h
Water Resistance
SBGA375100m
Blakjak 12-hr GMT200m
MSRP
SBGA375$5,600
Blakjak 12-hr GMT$895

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
40mm
42.5mm
Thickness
12.5mm
13.2mm
Lug-to-Lug
46.2mm
49mm
Lug Width
19mm
22mm
Water Resistance
100m
200m

Crystal & Dial

1 specs
Lume
None
Superluminova

Movement

3 specs
Caliber
9R65
SII NH36
Type
Spring Drive
Automatic
Power Reserve
72h
42h

Pricing

1 specs
MSRP
$5,600
$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 SBGA375

Grand Seiko SBGA375 owners praise its classic, subtle design and the engineering of its Spring Drive movement, with one noting it "does not fail to deliver what they are known for." The dial offers good legibility, with polished side bevels on the hour markers catching light well. However, one owner scuffed the bezel within a week, and another questioned if a lug was missing. Overall, owners rate the Grand Seiko SBGA375 highly for its refined design and movement engineering, signaling discerning taste.

From video reviewers

The Spring Drive movement's smooth sweep is a key strength. The bracelet's taper and clasp were cited as areas for improvement.

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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