Garmin Forerunner 645

Technical Specifications for Garmin Forerunner 645

• Model Name: Garmin Forerunner 645
• Model Number:
• Release Year: 2018
• Screen Size: 1.2" (240x240px)
• Dimensions: 42.5 x 42.5 x 13.5mm
• Lug Width:
• Weight: 42.2g

Wide range of watch bands and accessories for Garmin Forerunner 645

Looking for a perfect watch band for your Garmin Forerunner 645? At CaseOnline, you’ll find a wide selection of watch accessories and custom fit watchstraps for your new smartwatch. Whether you're working out, at the office, or expressing your style, we’ve got something just for you.

How to identify your smartwatch

Not sure which watch model you have? It’s easy to check! You can find the model number in the watch settings or on the packaging. Visit our Guide: Find Model ID for a step-by-step walkthrough to help you identify your smartwatch and choose the right accessories.

Match style and function – choose the right watch band

With the right band for your Garmin Forerunner 645, you’ll not only enhance the look of your watch but also improve comfort and usability. Whether you need a stylish leather strap for work, a silicone band for training, or a titanium strap for durability – our collection has it all. All bands are model specific with correct lugs for a secure and stable fit.

Leather watchbands – Class and comfort

If you prefer a timeless and elegant look, our leather straps for the Garmin Forerunner 645 are the perfect choice. Made from genuine high-quality leather, they offer the ideal combination of style, durability, and comfort. Suitable for both office and formal occasions. The leather molds to your wrist and becomes more comfortable over time – making it a long-term accessory for your smartwatch.

Silicone watchbands – Perfect for training and activity

Our silicone straps for Galaxy Watch Ultra (2025) are designed for active users. They are water-resistant, sweat-resistant, and quick-drying, making them ideal for sports, running, swimming, and gym sessions. Silicone is also extremely lightweight, ensuring all-day comfort. With a wide variety of colors, sporty patterns, and ventilated designs, you’ll easily find a strap that fits your workout style.

Stainless steel watchbands – Durable design with style

Stainless steel watch bands offer a professional and luxurious appearance. They are both durable and stylish, featuring adjustable links and either brushed or polished finishes. Ideal for both business and casual wear.

Titanium watchbands – Ultra light and extra tough

Titanium bands are three times stronger than steel but significantly lighter. The material is also hypoallergenic, perfect for those with sensitive skin. Choose titanium for a premium look with high performance.

Milanese loop – Adjustable mesh with magnetic closure

Milanese watchbands are known for their tightly woven design and magnetic clasp. They are easy to adjust and comfortable on the skin, perfect for those who want to combine elegance with function.

Bling watchbands – Sparkling details for everyday and party

Want to stand out? Our bling watch bands are decorated with crystals, stones, or glitter accents that give your Garmin Forerunner 645 a luxurious touch. A perfect accessory for evenings, events, or fashion enthusiasts.

Nylon watchbands – Lightweight, durable, and quick drying

Nylon straps are flexible, comfortable, and breathable, great for those on the go all day. They dry quickly, are wear resistant, and work well for both everyday use and workouts. Several models feature Velcro closures for easy adjustment.

Screen protectors and protective cases – Prevent scratches and damage

To keep your smartwatch in top condition, you should use protective accessories. We offer:

• Tempered glass screen protectors – Crystal clear protection against scratches and impacts
• Case protection in TPU/silicone – Extra protection for the frame without interfering with usability
• Full coverage protection – Combines screen and case protection in one

Chargers and adapters for Garmin Forerunner 645

Don’t forget to grab an extra charging cable or charging dock, perfect for work, home, or your gym bag. We also offer USB adapters and universal accessories compatible with your Garmin Forerunner 645.

Compatibility & safety

All our watch bands are tested and compatible with the Garmin Forerunner 645 and meet the EU product safety requirements. You’ll find details and certifications on each product page.

Why choose CaseOnline?

• Large selection of watch bands and accessories for Garmin Forerunner 645
• Always a perfect fit – model specific products
• Fast delivery from our own warehouse in Sweden
• Personal customer support and secure e-commerce

Explore our Garmin Forerunner 645 collection today

Order your Garmin Forerunner 645 watchstraps and accessories from CaseOnline today. Discover how the right accessory can elevate your style, comfort, and functionality whether you're at the office, the gym, or outdoors.

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CaseOnline – your expert in watch bands and accessories since 2011.