Serket Watch Co Reef X DivervsTornek-Rayville TR Type 7B Blakjak
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Reef X Diver

TR Type 7B Blakjak
Diameter
43mm
42.5mm
Lug-to-Lug
50mm
49mm
lowest
Thickness
12.7mm
lowest
13.2mm
Water Resistance
200m
200m
Power Reserve
n/a
42h
MSRP
$499
lowest
$895
Movement
Seiko NH35
Seiko NH36
Case
3 specsCrystal & Dial
3 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Serket Watch Co Reef X Diver as an exceptional tool for diving, even when compared to significantly more expensive timepieces. Reviewers note its attractive aesthetics, highlighting pleasing details and a slim bezel design. Overall, owners rate the Serket Watch Co Reef X Diver highly for its functional excellence and appealing visual design at its price point.
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.
The watch's military-inspired dial and caseback markings are a strong point. The 45mm case size is a weakness.
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