Side by side

Seiko Prospex Sea The Black SeriesvsTornek-Rayville Blakjak Time-elapse

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

Prospex Sea The Black Series
SeikoProspex Sea The Black Series
MSRP $765
Blakjak Time-elapse
Tornek-RayvilleBlakjak Time-elapse
MSRP $895

At a glance

8 of 29 specs differ
Diameter
Prospex Sea The Black Series45mm
Blakjak Time-elapse42.5mm
Power Reserve
Prospex Sea The Black Series41h
Blakjak Time-elapse42h
Water Resistance
Prospex Sea The Black Series200m
Blakjak Time-elapse200m
MSRP
Prospex Sea The Black Series$765
Blakjak Time-elapse$895

Full specifications

Case

2 specs
Diameter
45mm
42.5mm
Lug-to-Lug
47.7mm
49mm

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$765
$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 Prospex Sea The Black Series

The Seiko Prospex Sea The Black Series is widely praised for its impressive value and compelling design elements. Reviewers highlight the SLA073's cave-diving-inspired dial, high-quality bracelet, and the robust 8L35 movement, calling it a standout release. The SRPE33 and SRPE39 models are noted for their attractive price, manta ray decorated dials, and excellent LumiBrite lume, though bezel alignment can be inconsistent. The SNJ029 is celebrated for its dynamic, colorful aesthetic, solar charging, and comfortable strap, making it ideal for outdoor adventures. Overall, the consensus is that Seiko Prospex Sea The Black Series models offer excellent value, with specific models lauded for their unique dials, quality finishing, and practical features like solar charging.

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.

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