Is apple watch series 7 compatible with iphone 6s Clearance

Product Name: Is apple watch series 7 compatible with iphone 6s Clearance
Apple Watch Series 7 - Apple (BY) Clearance, Refurbished Apple Watch Series 7 GPS + Cellular, 41mm Starlight Aluminum Case with Starlight Sport Band - Apple Clearance, Amazon.com: OLEBR Charging Stand Compatible with AirPods, iWatch Series 6/7/SE/5/4/3/2/1,Phone Series 13/12/12 Pro/Max/11/11 Pro/Max/Xs/X Max/XR/X/8/8Plus/7/7 P/6S/6S P(Original Cable Required)-Black : Cell Phones u0026 Accessories Clearance, Apple Watch Series 7 - Apple (BY) Clearance, Refurbished Apple Watch Series 7 GPS, 45mm Green Aluminum Case with Clover Sport Band - Apple Clearance.