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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.
Blakjak 12-hr GMT
1 Variant
Lume:Superluminova
Retail MSRP
$895
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Static data
Case
42.5mm
Power Reserve
42h
Movement
Automatic
Water Resistance
200m
01
Case Dimensions
Diameter42.5mm
Thickness13.2mm
Lug-to-Lug49mm
Lug Width22mm
02
Case Build
MaterialStainless Steel
Water Resistance200m
03
Crystal & Dial
CrystalSapphire
AR CoatingYes
LumeSuperluminova
04
Movement
Caliber
TypeAutomatic
Beat Rate—
Power Reserve42 hours
Jewels—
HackingNo
Hand-WindingNo
ComplicationsTime only
05
Design Language
Dial styleMatte
BezelRotating (dive)
Bracelet / strapRubber strap
HandsBaton
AI-detected from product image · 5/22/2026
In a nutshell
The Tornek-Rayville Blakjak 12-hr GMT (ref. tr-type-7b-blakjak-12-hr-gmt-dlc-bgw9) is an automatic diver watch, with a 42.5mm stainless steel case, 13.2mm thick, powered by the SII NH36 movement and a 42-hour power reserve. Water resistance is rated to 200m, under a sapphire crystal. Manufacturer MSRP is $895.