Side by side

Seiko Prospex SeavsTornek-Rayville Blakjak Time-elapse

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

Prospex Sea
SeikoProspex Sea
MSRP $1,500
Blakjak Time-elapse
Tornek-RayvilleBlakjak Time-elapse
MSRP $895

At a glance

10 of 29 specs differ
Diameter
Prospex Sea43.5mm
Blakjak Time-elapse42.5mm
Power Reserve
Prospex Sea70h
Blakjak Time-elapse42h
Water Resistance
Prospex Sea200m
Blakjak Time-elapse200m
MSRP
Prospex Sea$1,500
Blakjak Time-elapse$895

Full specifications

Case

4 specs
Diameter
43.5mm
42.5mm
Thickness
13.3mm
13.2mm
Lug-to-Lug
51mm
49mm
Material
Titanium
Stainless Steel

Crystal & Dial

2 specs
AR Coating
Anti-reflective coating on inner surface
Yes
Lume
LumiBrite on hands and index(es)
Superluminova

Movement

3 specs
Caliber
6R35
SII NH36
Power Reserve
70h
42h
Jewels
24
25

Pricing

1 specs
MSRP
$1,500
$895

Follow this matchup

Get a note when Seiko Prospex Sea vs Tornek-Rayville Blakjak Time-elapse 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.

Seiko Prospex Sea

Seiko Prospex Sea owners and reviewers praise its Marinemaster-style aesthetic, excellent case finishing, and impressive LumiBrite lume. The watch is powered by the 6R15 movement with a 50-hour power reserve and comes with both a steel bracelet and a silicone strap. Some owners find the Seiko Prospex Sea to be a great value and a suitable first "proper" watch, while others report it is uncomfortably big, thick, and heavy on smaller wrists. Reviewers note the GMT function is secondary with a less prominent scale, and the bezel's quieter clicks may not appeal to all. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its classic design and finishing at its price point.

Tornek-Rayville Blakjak Time-elapse

The Tornek-Rayville Blakjak Time-elapse is a rugged, dive-capable field watch, an evolution of a 1990s military concept. It features a 42.5mm stainless steel case, a sapphire crystal, and a Seiko NH36 automatic movement with a 40-hour power reserve. The dial is busy but functional, and the watch features Super-LumiNova BGW9. On balance, reviewers note the Tornek-Rayville Blakjak Time-elapse is a modernized military watch with robust dive capabilities.

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.