Eureka produces its coffee grinders entirely in Florence, Italy. Since its founding in 1920, all models have been manufactured at the company headquarters, from development to final assembly. The grinders are hand-assembled and represent Italian craftsmanship, innovative technology, and high quality.

A Eureka grinder should generally be thoroughly cleaned every 1 to 2 months, depending on how frequently it is used. For very frequent use or changing bean varieties, monthly cleaning is recommended. For quick cleaning in between, such as with cleaning tablets like Puly Grind Mühlenreiniger, an interval of 3–4 weeks is often sufficient.

Important: Coffee oils and fats accumulate in the grinder and can become rancid, affecting the taste. Therefore, regular maintenance is crucial for consistent coffee quality.
Those who completely disassemble and manually clean the grinder should be careful not to do so too often (e.g., not more than once a month) to preserve the material.

The Eureka Mignon Perfetto and the Eureka Mignon Specialità mainly differ in their focus and handling:

The Perfetto is particularly versatile and is well-suited if you regularly switch between espresso and filter coffee. Its "Easy Setting" grind adjuster is labeled and limited to 360 degrees, allowing you to quickly and easily find the desired grind size and return to it effortlessly after a change. This makes it ideal for users who want to utilize different brewing methods. The Perfetto has 50-mm burrs and delivers a very homogeneous grind, which is also suitable for French press and filter coffee. The portafilter fork is not height-adjustable.

The Specialità, on the other hand, is clearly specialized for espresso. It has larger 55-mm burrs that ensure an even more consistent and finer grind. The grind adjustment is stepless and particularly sensitive, allowing precise settings in the espresso range. The dosing is very accurate, with minimal variations between shots. Additionally, the portafilter fork is height-adjustable, offering more flexibility with different portafilters. The Specialità is therefore the better choice if you primarily prepare espresso and value the highest precision.

Both grinders are quiet, well-crafted, and feature a touch display with a timer function for one or two servings. The choice depends on whether you seek versatility for different brewing methods (Perfetto) or maximum precision for espresso (Specialità).

The main difference between the Eureka Mignon and the Eureka Oro series lies in their purpose, technology, and target audience:

The Eureka Mignon includes a wide range of high-quality household grinders known for their compact design, stepless grind adjustment, various burr sizes (usually 50–55 mm), and a large selection of models for espresso and filter coffee. They are designed for home use and offer different features depending on the model, such as a touch display, timer, or special grind adjusters.

The Eureka Oro series, on the other hand, is the manufacturer's premium line aimed at discerning home baristas and professionals. A standout is the Eureka Oro Mignon Single Dose Pro, specifically developed for single-dose grinding. It features larger, 65 mm wide, cryogenically treated burrs ("Diamond Inside" technology) that are particularly durable and aroma-preserving. The inclined grinding chamber ensures that almost no coffee grounds remain in the grinder ("Single Dosing"). The Oro series offers even higher build quality, more precision, and is intended for users who want to maximize flavor and flexibility.

In summary:

• Eureka Mignon: Versatile, high-quality household grinders, ideal for everyday use and various preparation methods.
  
• Eureka Oro: Premium models with innovative technology (e.g., larger, treated burrs, single dosing), designed especially for demanding users and single-dose grinding.