Garmin Forerunner 645

42 mm
Currently out of stock
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Product details

The Forerunner 645 is a versatile smartwatch designed specifically for sports enthusiasts and active users. It combines advanced fitness tracking features with a sleek design that can be worn both in everyday life and during sports. With a durable plastic case and a comfortable silicone strap, the watch is both lightweight and sturdy. The Forerunner 645 offers a variety of features, including GPS tracking, a pulse oximeter, and various smartwatch functions such as calendar and weather. The user interface is intuitive, allowing for easy navigation through the different features. The watch is compatible with both iOS and Android devices, making it a flexible choice for many users. With a water resistance of up to 5 ATM, the Forerunner 645 is ideal for swimmers and outdoor activities. The long battery life of up to 7 days without GPS use ensures that the watch remains reliable even during intense training sessions.

  • GPS and GLONASS tracking for precise location determination
  • Pulse oximeter for monitoring blood oxygen saturation
  • Water-resistant up to 5 ATM, ideal for swimming and outdoor activities
  • Compatible with iOS and Android for versatile use
  • Long battery life of up to 7 days without GPS use.

Key specifications

Smartwatch functions
Alarm clockDatebooksFind my phoneWeather
Operating system compatibility
AndroidiOS
Wristband material
Silicone
Case material
Plastic
Item number
7197705

General information

Manufacturer
Garmin
Category
Smartwatches
Manufacturer no.
010-01863-11
Release date
9.1.2018
External links

Colour

Exact colour description
Sandstone

Watch properties

Watch type
Smart watch
Durability
Waterproof (5 ATM)
Protection type (IP code)
Waterproof
Operating system
Garmin
Operating system compatibility
AndroidiOS

Functions

Smartwatch functions
Alarm clockDatebooksFind my phoneWeather
Sensors
AccelerometerCompassGyro sensorPulse OximeterTemperature sensor
Localisation technology
GLONASSGPS

Display properties

Time display
Digital
Screen technology
MIP display
Display size (inches)
1.20"
Image resolution
240 x 240 pixels

Wristband properties

Wristband colour
Sandstone
Wristband material
Silicone
Strap width
20 mm
Strap description
Sports bracelet
Strap fastener
Buckle

Case properties

Case colour
Black
Case material
Plastic
Glass
Gorilla Glass 3
Shape of watch
Round
Case diameter
42 mm
Case thickness
13.50 mm
Case material
Stainless steel

Connectivity

Connectivity
ANT+BluetoothWLAN

Power supply

Power supply
Rechargeable battery operated
Battery type
Li-ion
Battery life (without GPS)
7 days
Runtime (in GPS mode)
0.50 days

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
Charging cableDocumentation

Product dimensions

Weight
42.20 g

Package dimensions

Length
14 cm
Width
7 cm
Height
7 cm
Weight
230 g

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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
  • 8.Xcoast
    1.9 %
  • 9.Beurer
    2.1 %
  • 9.Garmin
    2.1 %
  • 11.Google
    2.2 %
  • 12.OPPO
    2.3 %

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
  • 24.Google
    4 days
  • 24.Huawei
    4 days
  • 26.Garmin
    5 days
  • 27.Apple
    7 days
  • 27.CMF
    7 days

Return rate

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

Source: Digitec Galaxus
  • 9.Coros
    4.2 %
  • 10.Hama
    4.7 %
  • 11.Garmin
    4.8 %
  • 12.Accutime
    4.9 %
  • 13.Samsung
    5.2 %
Source: Digitec Galaxus