Polar GPS Running Monitors
Polar Pacer Pro GPS Running Watch with Wrist Heart Rate
size: 45mm. Colour: Grey/Black.
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Offer checked 11 November 2026. Price and availability may change.
A closer look
What matters before you buy
Size and fit
This is the 45mm option. Match it to the size you need, and check the manufacturer's measurements if you're switching models or brands.
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For a different size, compare Polar Grit X2 Pro Outdoor GPS Watch Sapphire: S-L, alongside 45mm for this option.
| Product | Size | Shop the option |
|---|---|---|
 This optionPolar Pacer Pro GPS Running Watch with Wrist Heart Rate | 45mm | £163.99View on Amazon |
| S-L | £470.49View on Amazon | |
| 43 mm | £199.00View on Amazon | |
| Normal | £122.19View on Amazon |
- This option
Polar Pacer Pro GPS Running Watch with Wrist Heart Rate
- Size
- 45mm
£163.99View on Amazon - Size
- S-L
£470.49View on Amazon- Size
- 43 mm
£199.00View on Amazon- Size
- Normal
£122.19View on Amazon
The exact specification
Product details
- Size
- 45mm
- Colour
- Grey/Black
Full listing and model details
- Retailer listing
- Polar Pacer Pro GPS Running Watch with Wrist Heart Rate | Sleep tracking, Training Load, Recovery tools, Smart features
- Brand
- Polar
- Model
- 900102178
- Condition
- Used
- ASIN
- B09V7V45XG
Keep exploring
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More gps running monitors to compare by their exact size, format and price.
Mibro GS Active2 – Dark Gray
- size
- Normal
- Colour
- Dark Gray
- Model
- GS Active2 Dark Gray
£122.19
View on AmazonSee details
Polar Pacer GPS Running Watch with Wrist Heart Rate – White
- size
- S-L
- Colour
- White
- Model
- 900102175
£119.99
View on AmazonSee details
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Sources & our approach
Product details come from the retailer’s listing, checked 11 November 2026. Our buying notes explain the listed differences and questions to resolve before ordering. We have not handled or tested this product.
Our editorial approach