Side by side

Citizen CorsovsFormex Reef 39.5 mm

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

Corso
CitizenCorso
MSRP $296
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230

At a glance

12 of 29 specs differ
Diameter
Corso44mm
Reef 39.5 mm39.5mm
Power Reserve
Corso40h
Reef 39.5 mm56h
Water Resistance
Corso100m
Reef 39.5 mm300m
MSRP
Corso$296
Reef 39.5 mm$2,230

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
44mm
39.5mm
Thickness
12mm
11mm
Lug-to-Lug
46mm
45.5mm
Lug Width
23mm
22mm
Water Resistance
100m
300m

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
Dial Color
Black
Bahama Blue
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
8729
Sellita SW300-1
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$296
$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 Corso

Citizen Corso owners widely praise its value, with many noting its accurate Eco-Drive movement keeping time within a few seconds per month. The sunburst silver dial and elegant blue dial options are frequently highlighted for their attractive, light-catching qualities suitable for various occasions. The stainless steel case is considered durable, and the metal bracelet's links are described as substantial. Some models feature day and date complications. However, reviewers note the polished steel case can be overly shiny and a fingerprint magnet, and the original leather bands have an unpleasant lining. One owner questions the 40mm dial size for smaller wrists, and the bracelet has a stamped clasp without micro-adjustments, though it includes two half links. Overall, owners rate the Citizen Corso highly for its impressive value and classic dial aesthetics at its price point.

From video reviewers

The Citizen Corso features a convenient Eco-Drive movement that eliminates battery changes by utilizing light for power. A weakness of the Citizen Corso is its mineral crystal, which is less scratch-resistant than sapphire.

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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