This cut - to - size FKM rubber watch band is perfect for Tudor Black Bay 58 owners who want to enhance their watch's style and comfort. Whether you're at work, on a casual outing, or a special event, this band will fit right in. It's made of durable fluorocarbon FKM rubber and has a criss - cross pattern for breathability. The quick - release spring bars allow you to change the strap easily. You can customize it to fit your wrist size for a personalized experience. The brushed 316L deployment clasp provides a secure and adjustable fit.