COLMI C28 Smartwatch – Silver + Brown Leather Strap

COLMI C28 is an ultra-thin smartwatch, only 7 mm thick and weighing 39 g, combining a stylish design with extensive functionality. Thanks to the built-in DaGPT assistant, you can quickly get answers to your questions, check information and much more! The watch has a large 1.93-inch AMOLED HD display with a resolution of 368 × 448, which ensures a clear picture and comfortable use in all conditions. It also supports Bluetooth calls directly from the wrist, offers more than 100 sports modes and helps you monitor your health. In addition, the 230 mAh battery allows for up to 5-7 days of use on a single charge.

Artificial Intelligence on your wrist – quick answers and daily support

COLMI C28 is equipped with the AI assistant Da GPT, which is based on ChatGPT and offers AI support directly from the watch. This allows you to quickly get answers to questions, check information or use content creation features without having to touch your phone! It is a useful solution that enhances the functionality of your smartwatch and gives you access to smart tools whenever you need them.

Slim and lightweight design

At just 7mm thick, the C28 is almost invisible on the wrist, and its 39g weight further enhances all-day comfort. The slim body fits comfortably on the wrist, making the smartwatch great for work, exercise or relaxation. It is the ideal solution for those who don't like heavy and bulky watches.

Vibrant 1.933-inch AMOLED display – comfort in every situation

The large 1.933-inch AMOLED display offers a high resolution of 368 × 448 and a wide color gamut, resulting in a clear and detailed image. The display ensures good visibility in both bright daylight and low light, so all information is always easily accessible. The high screen-to-body ratio (90%) further enhances user comfort.

Attractive style and workmanship

The zinc alloy case stands out with an elegant, glossy finish that gives the watch a modern character. The combination of a metallic texture with a smooth surface gives the smartwatch an elegant look in both everyday and more formal situations. The overall look is complemented by a comfortable strap that is pleasant to the touch and fits snugly on the wrist.

Calls via Bluetooth

With the Bluetooth calling function, you can receive and make calls directly from your watch. The built-in speaker and excellent sound quality allow for convenient communication without having to touch your phone. This is especially useful while working, walking or exercising!

Advanced health features

The smartwatch offers 24/7 heart rate monitoring and accurately measures blood oxygen saturation and stress levels. In addition, there is AI-powered sleep analysis that captures different sleep stages and daytime naps, allowing you to better understand the quality of your rest and make thoughtful changes to your daily habits. All this allows you to detect any worrying changes earlier and respond accordingly. In addition, the movement reminder function helps ensure that you stay active throughout the day.

Over 100 sports modes and accurate activity tracking

COLMI C28 offers more than 100 sports modes – you are sure to find something for yourself. Walking, running or maybe cycling or badminton? Practice your favorite sport or try something new! The watch records data from each workout, helping you analyze your progress and better plan your next workouts. It is a practical support for those who want to maintain consistency and control over their activity.

Smart features and notifications on your wrist

The watch lets you receive notifications from popular apps like WhatsApp, Facebook, and TikTok, so you can quickly check your messages without having to take your phone out of your hands. There's also a watch face customization feature that lets you customize the look of the interface to your liking - you can use pre-designed templates or set your own photo.

Everyday durability and long battery life

With 1 ATM water resistance and dust protection (IP6X), the smartwatch stands up to everyday use – even during workouts or in the rain. Plus, the 230 mAh battery provides up to 5-7 days of battery life, and magnetic charging allows you to fully charge the watch in about 2.5 hours.

Included

• Smart watch
• Magnetic charging cable
• User manual

Warranty: 12 months

The text is machine translated.

Same summary

The COLMI C28 smart watch in silver with a brown leather strap is suitable for users looking for a versatile and simple smartwatch for daily activity monitoring, notifications and basic functions. Due to its square shape and universal (Uni) purpose, it appeals to a wider group of adults and adolescents who do not need advanced sports functions or standalone GPS tracking, but simple connectivity with a phone and basic management. The battery autonomy of 5 to 7 days is satisfactory for those who do not want to charge daily, but intense athletes or users who often use more demanding functions may notice certain limitations. The comfortable leather strap will be more suitable for users who swear by an elegant and inconspicuous appearance.

Recommendation source: Enaa guides and team experiences.

User view

COLMI C28 users often choose the watch as a practical upgrade to a classic watch, as it offers a good overview of notifications, calls and basic sports and health data on the wrist. The watch is recognized by people with an active lifestyle who want a balanced relationship between functionality, simplicity and discreet design - whether for business meetings, walks or short sports activities. If you are thinking about which type of smartwatch is best suited for your daily needs, you can further explore our guide to choosing a smartwatch .

The design and accessibility of COLMI models allow users to find more stylistic and functional options within the Colmi ecosystem, which further increases trust in the brand.

Why buy at Enaa

When buying smartwatches on Enaa, a clear presentation of important features stands out, making it easy to compare different models in the same price range. Many buyers also appreciate quick summaries of other users' opinions, which help them more easily evaluate the actual experience of using the device.

Answers to frequently asked questions

Is the COLMI C28 watch suitable for use with every smartphone?

The COLMI C28 watch is generally compatible with most Android and iOS devices, but it is recommended that you check compatibility with your specific phone version before purchasing.

Is the leather strap suitable for sports activities?

The brown leather strap is comfortable for everyday wear and more suitable for business or casual occasions, but for intense sports activities, we recommend considering switching to a silicone or rubber strap.

How long does the battery last on average with normal use?

With standard use, the COLMI C28 battery will typically discharge in 5 to 7 days. Frequent use of features such as measurements or continuous synchronization may shorten this time slightly.

What features does the COLMI C28 offer compared to other smartwatches?

The COLMI C28 watch allows you to receive notifications, measure basic activities, and easily control your phone, but it doesn't have standalone GPS or advanced sports features found in more expensive models. To easily compare the functionality between different types of smartwatches, visit our comparison guide .

Does the COLMI C28 allow for changing straps?

Yes, the strap on the COLMI C28 model can be easily replaced, allowing you to adapt the style or purpose of the watch to the occasion.

Description updated: May 2026