Side by side

Seiko 5 Sports Field seriesvsTornek-Rayville Blakjak 12-hr GMT

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

5 Sports Field series
Seiko5 Sports Field series
MSRP $315
Blakjak 12-hr GMT
Tornek-RayvilleBlakjak 12-hr GMT
MSRP $895

At a glance

13 of 29 specs differ
Diameter
5 Sports Field series39.4mm
Blakjak 12-hr GMT42.5mm
Power Reserve
5 Sports Field series41h
Blakjak 12-hr GMT42h
Water Resistance
5 Sports Field series100m
Blakjak 12-hr GMT200m
MSRP
5 Sports Field series$315
Blakjak 12-hr GMT$895

Full specifications

Case

5 specs
Category
Sport
Diver
Diameter
39.4mm
42.5mm
Lug-to-Lug
48.1mm
49mm
Lug Width
20mm
22mm
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal
Hardlex
Sapphire
Crystal Shape
Curved
Flat
AR Coating
Inner
Yes
Lume
LumiBrite on hands and index(es)
Superluminova

Movement

3 specs
Caliber
4R36
SII NH36
Power Reserve
41h
42h
Jewels
24
25

Pricing

1 specs
MSRP
$315
$895

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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.

Seiko 5 Sports Field series

The Seiko 5 Sports Field series is praised for its value, offering an accessible explorer-style watch with a GMT complication and excellent legibility thanks to LumiBrite on the dial and bezel. The watches feature a 41mm stainless steel case, 100m water resistance, and are powered by either the 4R36 or 4R34 movement, both with a 41-hour power reserve. One reviewer notes the inclusion of a compass bezel with a lumed pearl and fully lumed Arabic numerals on the dial for the non-GMT models. Overall, reviewers consider the Seiko 5 Sports Field GMT models good value under 500 euros.

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.

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