TPU silicone strap in black is flexible, waterproof and durable. Compression molding, sturdy and durable. Protects smart watch from scratches and wear and tear. The size can be adjusted according to the circumstance of individual wrist. Softness and comfortable. A good replacement for your old and broken strap. Compatible with Polar M400 GPS Smart Sports Watch, or Polar M430 GPS Running Watch. An extra tool for easy fitting and removing spring bars from watch strap and band. Note: Replacement bands only, not include the watch. Color Black Material Silicone Band Wide 2.9cm (1.14'') Band Length 12.2cm (4.8''), 8cm (3.15'') Adjustable Extent 8cm (3.15'') Weight 26.7g Brand Unbranded/Generic MPN HD78686.
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Watchband Suitable For POLAR M400 High Quality Silicone Strap With Tools For POLAR M430 Wristband With Holes
Aliexpress UK
The adjustable length ensures a secure and personalized fit. Includes tools for easy installation. ✔ POLAR M430. ✔ POLAR M400. • 1× Silicone Watchband (watch not included). Band Size.
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HD Tempered Glass For Polar M400 M430 Watch Screen Protector For Polar M 400 M 430 Clear 9H Safety Protective Transparent Film
Aliexpress UK
I have both parts of the original strap (which the original owner shortened but is otherwise in good condition - see photo) but I can't get the fixing pin out of the watch body - so it's an easy fix if you can get the pin out.
eBay
Silicone Wristband Strap For Polar M400 M430 GPS Sports Watch Band Replacement Bracelet Watchband With Tool
Aliexpress UK
Polar M400 GPS Running Watch *Needs New Strap*. Condition is Used. Dispatched with Royal Mail 2nd Class.
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For Polar M400 M430 GPS Running M 400 300 Soft Silicone Breathable Wristband Strap Smart Watch Watchband Bracelet Replacement
Aliexpress UK
Polar M400 GPS Running Watch *Needs New Strap*. Condition is Used. Dispatched with Royal Mail 2nd Class. No charger but it is a standard micro usb
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ADMOK M400 Acrylic Gold Fountain Pen Soft Smooth No.5 Nib Inking Applicable for Pelikan M400/405 Students Writing Gift Pens
Aliexpress UK
The Polar M400 GPS Multisport watch is a versatile fitness tracker suitable for both indoor and outdoor activities. With a high-resolution display (128 x 128) and GPS capabilities, it is ideal for monitoring your heart rate and tracking your runs with accuracy. Made of durable plastic, this unisex watch is powered by batteries and is compatible with Android operating systems. Its features include English language settings and a wrist sensor for convenient use while exploring new running routes or training indoors. The Polar M400 is a reliable and user-friendly option for fitness enthusiasts looking to improve their performance and monitor their progress.
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20 22mm Strap For Polar Grit X Pro Titan Sport Wristband For Polar Ignite 3 2 Unite Pacer Band PoLar Vantage V3 M2/M Bracelet
Aliexpress UK
• Training programs via Polar Flow app. • Works with Android and iOS via the Polar Flow app. • Wrist-based heart rate monitoring. Looking to upgrade your tech while staying kind to the planet?. You’re in the right place.
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ADMOK M400 Acrylic Piston Fountain Pen Soft Smooth No.5 Schmidt Nib Inking Applicable Students Writing Gift Pen
Aliexpress UK
Smartwatch and USB to Micro-USB charging cable are included. Smartwatch turns on, and works as intended. Model: M400 0Y. Manufacturer: Polar. Police 12157J Watch, All Stainless Steel, Used, Defected. This approach ensures fairness and accountability on both sides.
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ADMOK Resin Fountain Pen M400 Schmidt F Import Nib Acrylic High-grade Stone Pattern Ink Pen Office School Writing Supplies
Aliexpress UK