Side by side

Spinnaker Dumas GMTvsTornek-Rayville Blakjak 12-hr GMT

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

Dumas GMT
SpinnakerDumas GMT
MSRP $399
Blakjak 12-hr GMT
Tornek-RayvilleBlakjak 12-hr GMT
MSRP $895

At a glance

12 of 29 specs differ
Diameter
Dumas GMT44mm
Blakjak 12-hr GMT42.5mm
Power Reserve
Dumas GMT40h
Blakjak 12-hr GMT42h
Water Resistance
Dumas GMT300m
Blakjak 12-hr GMT200m
MSRP
Dumas GMT$399
Blakjak 12-hr GMT$895

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
44mm
42.5mm
Thickness
15mm
13.2mm
Lug-to-Lug
48mm
49mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

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

Movement

2 specs
Caliber
Seiko NH34A
SII NH36
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$399
$895

Follow this matchup

Get a note when Spinnaker Dumas GMT vs Tornek-Rayville Blakjak 12-hr GMT gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.