Side by side

Tornek-Rayville Blakjak 12-hr GMTvsWolbrook Douglas Grand Prix Racing

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

Blakjak 12-hr GMT
Tornek-RayvilleBlakjak 12-hr GMT
MSRP $895
Douglas Grand Prix Racing
WolbrookDouglas Grand Prix Racing
MSRP $442

At a glance

13 of 29 specs differ
Diameter
Blakjak 12-hr GMT42.5mm
Douglas Grand Prix Racing40mm
Power Reserve
Blakjak 12-hr GMT42h
Douglas Grand Prix Racing40h
Water Resistance
Blakjak 12-hr GMT200m
Douglas Grand Prix Racing100m
MSRP
Blakjak 12-hr GMT$895
Douglas Grand Prix Racing$442

Full specifications

Case

7 specs
Category
Diver
Racing
Diameter
42.5mm
40mm
Thickness
13.2mm
13mm
Lug-to-Lug
49mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Black
Steel
Lume
Superluminova
None

Movement

2 specs
Caliber
SII NH36
Miyota 8315
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$895
$442

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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.

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.

Wolbrook Douglas Grand Prix Racing

The Wolbrook Douglas Grand Prix Racing features a Hesalite box crystal, a roulette date wheel, and a 40mm steel case. Owners note it is powered by a Miyota 8315 movement with a 60-hour power reserve, regulated to within ±15 seconds per day. One owner points out that an earlier iteration of the movement did not hack and had a 42-hour power reserve. On balance, owners appreciate the Hesalite crystal and roulette date wheel at its $275 price point.

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