1. Apple Watch Case 42mm, Imymax Hard Aluminum Plated Protective Bumper Shell Cover Cases for Apple iWatch Sport / Edition - Silver (Click Link to Check Price on Amazon)
Editor's Rating : 9.6 out of 10
Apple Watch Case, designed specifically for Apple Watch / Sport / Edition 2015 all Release 42mmMade of top quality aluminum alloy material, sturdy and lightweight

2. ArmorSuit MilitaryShield For Apple Watch 42mm Screen Protector (Series 1) [Full Coverage][2 Pack] w/ Lifetime Replacements, Anti-Bubble Ultra HD Clear (Click Link to Check Price on Amazon)
Editor's Rating : 9.7 out of 10
ArmorSuit MilitaryShield Kit for Apple Watch 42mm (Series 1 / Series 2) includes our MilitaryShield piece(s), Installation Solution, Squeegee, Lint-free cloth, and Installation Instructions.Ultra HD Clear and amazingly thin, perfectly matches the contours of your device. Easy application with flexible material is designed for maximum full coverage on curved corners and edges on your device.

3. Apple Watch Plastic PC Plated Cover Case for Apple Watch 38mm & Sport & Edition + Screen Protector (Rose Gold) (Click Link to Check Price on Amazon)
Editor's Rating : 9.7 out of 10
Watch and band not included. Defined fit stays thin and light weightHard case made from premium polycarbonate

4. Spigen Tough Armor Apple Watch Case with Extreme Heavy Duty Protection and Built In Screen Protector for Apple Watch 42mm 2015 - Gunmetal (Click Link to Check Price on Amazon)
Editor's Rating : 9.7 out of 10
[Patent Pending] Intense Fortification-Air Cushion Technology and dual-layered protectionShock-absorbing TPU interior + Polycarbonate exterior

5. Apple Watch 1 Case, TIVTO iPhone Watch Built-In Screen Protector Full Coverage All-around Extreme Protective Clear TPU Soft Cover for Apple i Watch 2015 All Models Series 1 - 42mm (Click Link to Check Price on Amazon)
Editor's Rating : 9.7 out of 10
Notice: This case is designed for series 1. It fits perfectly to 1. It also works well with series 2，except that half of the speaker and mic are covered. But this does not affect any function of the case with series 2.99% high transparency. Reduction natural viewing experience.