Side by side

Tornek-Rayville Blakjak 12-hr GMTvsYema Navygraf Chrono

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
Navygraf Chrono
YemaNavygraf Chrono
MSRP $1,999

At a glance

14 of 29 specs differ
Diameter
Blakjak 12-hr GMT42.5mm
Navygraf Chrono40mm
Power Reserve
Blakjak 12-hr GMT42h
Navygraf Chrono40h
Water Resistance
Blakjak 12-hr GMT200m
Navygraf Chrono100m
MSRP
Blakjak 12-hr GMT$895
Navygraf Chrono$1,999

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
42.5mm
40mm
Thickness
13.2mm
13.9mm
Lug-to-Lug
49mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
Navy
Lume
Superluminova
None

Movement

2 specs
Caliber
SII NH36
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$895
$1,999

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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.

Yema Navygraf Chrono

Owners praise the Yema Navygraf Chrono for its handsome, versatile design and the value offered by its Valjoux 7750 movement. A reviewer notes the 40mm case's fully polished finish, which some feel clashes with its sporty aesthetic, and mentions its 13.9mm thickness is noticeable. One owner reported wearing the Yema Navygraf Chrono for two months without issues, receiving compliments. On balance, owners and reviewers find the Yema Navygraf Chrono to be a good-looking and well-specced watch for its price.

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