Side by side

Tornek-Rayville Blakjak 12-hr GMTvsTudor Black Bay 68

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
Black Bay 68
TudorBlack Bay 68
MSRP $5,475

At a glance

16 of 29 specs differ
Diameter
Blakjak 12-hr GMT42.5mm
Black Bay 6843mm
Power Reserve
Blakjak 12-hr GMT42h
Black Bay 6870h
Water Resistance
Blakjak 12-hr GMT200m
Black Bay 68200m
MSRP
Blakjak 12-hr GMT$895
Black Bay 68$5,475

Full specifications

Case

5 specs
Diameter
42.5mm
43mm
Thickness
13.2mm
13.6mm
Lug-to-Lug
49mm
46mm
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Black
Blue
Lume
Superluminova
None

Movement

6 specs
Caliber
SII NH36
MT5601-U
Beat Rate
28,800 vph
0 vph
Power Reserve
42h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$895
$5,475

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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.

Tudor Black Bay 68

The Tudor Black Bay 68 is praised for its METAS Master Chronometer-certified MT5601-U movement, which provides superior accuracy of -2/+4 seconds per day and a 70-hour power reserve. Reviewers highlight its comfortable 13.6mm thickness and the appeal of the Tudor blue dial with a matte black bezel insert. The watch features a brushed and polished 43mm case, a domed sapphire crystal, and a bracelet without faux rivets. On balance, reviewers find the Tudor Black Bay 68 a sensible, larger vintage-inspired diver with excellent timekeeping.

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