Side by side

Citizen Promaster Skyhawk U830vsFormex Reef 39.5 mm

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

Promaster Skyhawk U830
CitizenPromaster Skyhawk U830
MSRP $596
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230

At a glance

12 of 29 specs differ
Diameter
Promaster Skyhawk U83043mm
Reef 39.5 mm39.5mm
Power Reserve
Promaster Skyhawk U83040h
Reef 39.5 mm56h
Water Resistance
Promaster Skyhawk U830200m
Reef 39.5 mm300m
MSRP
Promaster Skyhawk U830$596
Reef 39.5 mm$2,230

Full specifications

Case

5 specs
Category
Pilot
Diver
Diameter
43mm
39.5mm
Thickness
12mm
11mm
Lug-to-Lug
46mm
45.5mm
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
Underside
Inner
Dial Color
Blue
Bahama Blue
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
U830
Sellita SW300-1
Type
Quartz
Automatic
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$596
$2,230

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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.

Formex Reef 39.5 mm

The Formex Reef 39.5 mm is widely praised for its refined finishing, comfortable and well-proportioned case design, and impressive specifications for its price point, including COSC-certified Sellita SW300-1 movement and 300m water resistance. Owners and reviewers highlight the tool-less micro-adjust clasp and quick-release spring bars as practical features. Some reviewers note that the 22mm lug width feels slightly disproportionate to the smaller case, and the bracelet could benefit from more taper, though this is a point of contention for some owners who value the overall package. A prototype crown protrusion issue is noted as being addressed for production. On balance, owners and reviewers rate the Formex Reef 39.5 mm highly for its excellent value and well-executed design.

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