Side by side

Citizen Promaster Skyhawk A-TvsFormex Reef 39.5 mm

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

Promaster Skyhawk A-T
CitizenPromaster Skyhawk A-T
MSRP $671
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230

At a glance

12 of 29 specs differ
Diameter
Promaster Skyhawk A-T46mm
Reef 39.5 mm39.5mm
Power Reserve
Promaster Skyhawk A-T40h
Reef 39.5 mm56h
Water Resistance
Promaster Skyhawk A-T200m
Reef 39.5 mm300m
MSRP
Promaster Skyhawk A-T$671
Reef 39.5 mm$2,230

Full specifications

Case

6 specs
Category
Pilot
Diver
Diameter
46mm
39.5mm
Thickness
12mm
11mm
Lug-to-Lug
46mm
45.5mm
Lug Width
20mm
22mm
Water Resistance
200m
300m

Crystal & Dial

2 specs
Dial Color
Blue
Bahama Blue
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
U680
Sellita SW300-1
Type
Quartz
Automatic
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$671
$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 A-T

The Citizen Promaster Skyhawk A-T is praised for its comprehensive feature set, including radio-controlled atomic timekeeping, a perpetual calendar, and a second time zone subdial. Reviewers note the titanium models offer good wearability, though one owner found the watch felt like a boat anchor. The stainless steel versions feature polished chamfers, brushed finishing, and a bidirectional bezel with a slide rule. Some models, particularly those with black hands against a black dial, have been criticized for poor readability, while others offer semi-skeletonized white sword hands and stencil numerals for improved legibility. On balance, owners and reviewers appreciate the Citizen Promaster Skyhawk A-T's extensive functionality and build, though legibility can be a concern on certain dial configurations.

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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