Side by side

Citizen Promaster Skyhawk U830vsTornek-Rayville Blakjak Time-elapse

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

Promaster Skyhawk U830
CitizenPromaster Skyhawk U830
MSRP $596
Blakjak Time-elapse
Tornek-RayvilleBlakjak Time-elapse
MSRP $895

At a glance

11 of 29 specs differ
Diameter
Promaster Skyhawk U83043mm
Blakjak Time-elapse42.5mm
Power Reserve
Promaster Skyhawk U83040h
Blakjak Time-elapse42h
Water Resistance
Promaster Skyhawk U830200m
Blakjak Time-elapse200m
MSRP
Promaster Skyhawk U830$596
Blakjak Time-elapse$895

Full specifications

Case

4 specs
Category
Pilot
Diver
Diameter
43mm
42.5mm
Thickness
12mm
13.2mm
Lug-to-Lug
46mm
49mm

Crystal & Dial

3 specs
AR Coating
Underside
Yes
Dial Color
Blue
Black
Lume
None
Superluminova

Movement

3 specs
Caliber
U830
SII NH36
Type
Quartz
Automatic
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$596
$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.

Citizen Promaster Skyhawk U830

The Citizen Promaster Skyhawk U830 is praised for its updated 43mm titanium case, legible memory-in-pixel display, and cleaner, less cluttered design compared to previous versions. Reviewers highlight its versatile contemporary look and enhanced functionality from the caliber U830, while owners appreciate the MIP display and screw-down caseback. Some users find the interface clunky and the face busy, particularly noting the "calendar" label and the lack of radio or GPS time synchronization, with one owner finding the 45mm size and busy subdials less useful for non-pilots. On balance, owners and reviewers rate the Citizen Promaster Skyhawk U830 highly for its impressive technology and improved legibility in a contemporary package.

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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