Amazon.com: Wristcam, Smart Dual-Camera Band for Apple Watch (Apple MFi Certified), 8MP Sensor, Full HD Video/720P Sport Mode, (New) Pro. Image Stabilization, WiFi, BT 5, IP68 Water Resistant, Siri Integration : Electronics
Cleep Wrist Camera
Amazon.com: Camera Wrist Strap, Soft Hand Strap Compatible for Sony ZV-1 RX100 VII VI V IV III II RX100VA G7X Mark III II G9 X Mark II Rioch GR IIIx GR III
Quick & Secure: A Hand Grip Camera Strap That Attaches To Your Wrist Strap w/ FR-5 - BLACKRAPID
Wristcam review: Snap happy with an Apple Watch smart strap - Wareable
Wristcam Review: the first dedicated camera for Apple Watch - 9to5Mac