Replacement Back Cover Battery Door Rear Housing Case Plastic for Motorola Moto 360 (2014 1st Genera worth to buy? Thanks for it if those of you who have purchased Replacement Back Cover Battery Door Rear Housing Case Plastic for Motorola Moto 360 (2014 1st Genera could share about what you think of the product. I would love any extra info, as it is quite pricey as $11.95 and I just want to know it is good before paying for it.