Side by side

Tornek-Rayville Blakjak 12-hr GMTvsMassena LAB Uni-Racer

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
Uni-Racer
Massena LABUni-Racer
MSRP $3,495

At a glance

16 of 29 specs differ
Diameter
Blakjak 12-hr GMT42.5mm
Uni-Racer39mm
Power Reserve
Blakjak 12-hr GMT42h
Uni-Racer58h
Water Resistance
Blakjak 12-hr GMT200m
Uni-Racer50m
MSRP
Blakjak 12-hr GMT$895
Uni-Racer$3,495

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
42.5mm
39mm
Thickness
13.2mm
9mm
Lug-to-Lug
49mm
46mm
Lug Width
22mm
20mm
Water Resistance
200m
50m

Crystal & Dial

5 specs
Crystal
Sapphire
Acrylic
Crystal Shape
Flat
Domed
AR Coating
Yes
No
Dial Color
Black
White
Lume
Superluminova
None

Movement

4 specs
Caliber
SII NH36
SW510 BH M Elaboré
Type
Automatic
Manual
Power Reserve
42h
58h
Jewels
25
23

Pricing

1 specs
MSRP
$895
$3,495

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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.

Massena LAB Uni-Racer

The Massena LAB Uni-Racer is praised for its refined vintage chronograph aesthetic, featuring a 39mm case with unique horizontal finishing, a GPHG-nominated hand-wound Sellita SW510 M movement, and a sector dial with a "big eye" counter. Owners and reviewers highlight its period-perfect Super-LumiNova and snailing on recessed registers, all supported by a 58-hour power reserve and 50m water resistance. On balance, owners and reviewers rate the Massena LAB Uni-Racer highly for its authentic vintage design and refined execution at its price point.

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