Side by side

Tornek-Rayville Blakjak Time-elapsevsTudor Black Bay Ceramic

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

Blakjak Time-elapse
Tornek-RayvilleBlakjak Time-elapse
MSRP $895
Black Bay Ceramic
TudorBlack Bay Ceramic
MSRP $6,125

At a glance

10 of 29 specs differ
Diameter
Blakjak Time-elapse42.5mm
Black Bay Ceramic41mm
Power Reserve
Blakjak Time-elapse42h
Black Bay Ceramic70h
Water Resistance
Blakjak Time-elapse200m
Black Bay Ceramic200m
MSRP
Blakjak Time-elapse$895
Black Bay Ceramic$6,125

Full specifications

Case

5 specs
Diameter
42.5mm
41mm
Thickness
13.2mm
14.4mm
Lug-to-Lug
49mm
46mm
Material
Stainless Steel
Ceramic
Caseback
Solid
Engraved

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Lume
Superluminova
None

Movement

2 specs
Caliber
SII NH36
MT5602-1U
Power Reserve
42h
70h

Pricing

1 specs
MSRP
$895
$6,125

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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 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.

Tudor Black Bay Ceramic

The Tudor Black Bay Ceramic's matte ceramic case and bracelet offer a stealthy, scratch-proof aesthetic that shifts from anthracite to gray in light. Reviewers note its comfortable wearability, with one highlighting improved comfort over steel versions, and praise the METAS-certified MT5602-U movement. However, the sandblasted finishing is described as lacking contrast, and the bracelet's butterfly clasp omits on-the-fly adjustment. The PVD-treated steel bezel ring is also flagged as a potential wear-and-tear vulnerability. On balance, reviewers find the Tudor Black Bay Ceramic appealing for its unique ceramic construction and durable, stealthy finish, despite some functional limitations.

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