Colmi C28 Smartwatch – Black + Brown Leather Strap

without a SIM card
Ratings
BrandMore from Colmi
Delivered between Mon, 3.8. and Sat, 8.8.
More than 10 pieces in stock at supplier
Free shipping starting at 50.–

Case colour2

Wristband colour2

Product details

The COLMI C28 Smartwatch combines elegant design with extensive functionality, making it the ideal companion for modern daily life. With a thickness of just 7 mm and a weight of 39 g, it is particularly slim and lightweight, making it barely noticeable on the wrist. The large 1.93-inch AMOLED HD display with a resolution of 368 × 448 ensures clear and comfortable use under all conditions. The smartwatch supports Bluetooth calls directly from the wrist and offers over 100 sports modes to track your fitness goals. An integrated AI assistant based on ChatGPT allows you to quickly get answers to questions and verify information without needing to use your smartphone. The powerful 230 mAh battery provides usage of up to 5–7 days on a single charge, making the COLMI C28 a reliable companion for everyday life.

  • Ultra-slim design with only 7 mm thickness
  • 1.93-inch AMOLED HD display for clear visibility
  • Integrated AI assistant for quick answers
  • Over 100 sports modes for health monitoring.

Key specifications

Operating system compatibility
Android, iOS
Wristband material
Leather

General information

Item number
69867793
Manufacturer
Colmi
Category
Smartwatches
Manufacturer No.
C28-brown leather
Release date
28.4.2026

Colour

Exact colour description
Black, Brown

Watch properties

Watch type
Smartwatch
Operating system compatibility
Android, iOS
Integrated components
Microphone, Speakers

Display properties

Display technology
AMOLED
Display size (inches)
1.93"
Image resolution
368 x 448 pixels

Wristband properties

Wristband colour
Brown
Wristband material
Leather
Strap description
Classic Leather Bracelet

Case properties

Case colour
Black
Case thickness
7 mm

Connectivity

Connectivity
Bluetooth
Mobile communications standard
without a SIM card

Power supply

Power supply
Rechargeable battery operated
Battery life (without GPS)
5 Days

Battery properties

Battery type
Li-ion
Capacity
230 mAh
Battery life
5 Days

Smart home features

Smart home ecosystem
Google Assistant

Origin

Country of origin
China

Voluntary climate contribution

CO₂ emissions
0.42 kg
Climate contribution
CHF 0.11

Scope of delivery

Scope of delivery
Leather bracelet

Product dimensions

Weight
39 g

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Smartwatches» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Colmi
    Not enough data
  • 1.Apple
    0.7 %
  • 2.Samsung
    1.1 %
  • 3.OnePlus
    1.2 %
  • 4.Huawei
    1.3 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Colmi
    Not enough data
  • 1.Accutime
    0 days
  • 1.Denver
    0 days
  • 1.Forever
    0 days
  • 1.Garett
    0 days

Return rate

How often is a product of this brand in the «Smartwatches» category returned?

Source: Digitec Galaxus
  • Colmi
    Not enough data
  • 1.Accutime
    2.6 %
  • 1.Denver
    2.6 %
  • 3.Fitbit
    2.7 %
  • 4.Xiaomi
    2.9 %
Source: Digitec Galaxus