Side by side

Tornek-Rayville Blakjak 12-hr GMTvsTudor Black Bay One 31 S&G

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 One 31 S&G
TudorBlack Bay One 31 S&G
MSRP $6,850

At a glance

13 of 29 specs differ
Diameter
Blakjak 12-hr GMT42.5mm
Black Bay One 31 S&G31mm
Power Reserve
Blakjak 12-hr GMT42h
Black Bay One 31 S&G50h
Water Resistance
Blakjak 12-hr GMT200m
Black Bay One 31 S&G100m
MSRP
Blakjak 12-hr GMT$895
Black Bay One 31 S&G$6,850

Full specifications

Case

8 specs
Category
Diver
Diameter
42.5mm
31mm
Thickness
13.2mm
9.5mm
Lug-to-Lug
49mm
46mm
Lug Width
22mm
17mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
200m
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Lume
Superluminova
None

Movement

2 specs
Caliber
SII NH36
MT5201
Power Reserve
42h
50h

Pricing

1 specs
MSRP
$895
$6,850

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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 One 31 S&G

The Tudor Black Bay One 31 S&G is praised for its quiet luxury, combining brushed steel and warm gold accents for understated charm. Owners appreciate the brushed gold for a casual two-tone look and the champagne dial's surprising legibility. Some find the case sides too thick, and one user expressed a desire for a smaller S&G variant. The watch features the MT5612 movement with a 70-hour power reserve and a date function, within a 200-meter water-resistant case. Overall, owners and reviewers highlight the Tudor Black Bay One 31 S&G's balanced two-tone aesthetic as its primary appeal.

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