Twist-O-Flex Band for the 38/40mm Apple Watch


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Where High-Tech Meets Style & Comfort

It’s time to level up. Upgrade your Apple Watch with a band that is timeless, dependable, and comfortable. Speidel watch bands are revered for their sturdy durability and effortless style. The Twist-O-Flex band in particular is praised for its maximum support, water resistance, and effortless vibe. When paired with your high-tech face, you have the ultimate accessory for every occasion.

Reviews How to Change Size Guide ↗

Twist-O-Flex Band for the 38/40mm Apple Watch

Size Guide

Apple Watch Band Sizes for 38mm (Series 1-6) 


Size Fits Wrist Size ( CM) Fits Wrist Size ( Inches)
2 13.5 5.3
3 14 5.5
4 14.5 5.7
5 15 5.9
6 15.5 6.1
7 16 6.3
8 16.5 6.5
9 17 6.7
10 17.5 6.9
11 18 7.1
12 18.5 7.3

View our Band Length Sizing Guide

If you are on the line between sizes, we recommend choosing the larger size as you can remove links with the use of our link removal guide. You can also visit a local authorized Speidel jeweler and have it sized for you.

If you need a size that is larger than our current offerings, additional links can be added. Visit speidel.com for additional link kits.

  • Compatibility:
    This Apple Watch band is compatible with Apple Watch (series 1-6).
  • Sturdy style:
    Combining sturdy stainless steel construction with effortless style and class, the Twist-O-Flex Apple Watch band offers maximum support and comfort while providing resistance to water and sweat.
  • Choose your size:
    Available in 38mm, 40mm, 42mm, and 44mm. Band length can expand an additional 5” from its original size. Need a custom length? View our step-by-step guide on how to size your Twist-O-Flex Watch band.
  • Choose your finish:
    Style available in brushed, black, or silver.

  • Free ShippingFree US Shipping on Orders $75+
  • Ltd WarrantyOne Year Limited Warranty
  • Free ReturnsFree 30 Day Return Policy
  •   Built for the long haul
    With its stainless steel construction, the Twist-O-Flex band is built to carry you day in and day out.   
  • Fit for all
    The Twist-O-Flex large expansion range is sure to provide the perfect fit with its simple, adjustable band length and easy on, easy off construction.   
  • Created for comfort
    Our patented Twist-O-Flex design was built to maximize comfort while creating a sleek, easy-to-wear design.
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Customer Reviews

Based on 44 reviews
So happy you were able to corrected my mistakes.
Wrong item
Great band
Great service experience
Watch expandable band

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