You are not talking to Apple here - this is a user-based technical support community.
Apple no longer sells new Apple Watch Series 2 models. It now sells a newer model range, Apple Watch Series 3, instead.
Whilst you may find new Series 2 models still available from some Apple Authorised Resellers, you may prefer to instead consider buying a Series 3 model.
Technical specifications can be compared here:
Differences include that Series 3 models have a faster processor and a more power-efficient Bluetooth / Wi-Fi chip.