This is the cheapest I have found for this. These are fairly used, you might be luck like and get unused one. Huawei W1 Stainless Steel Classic Smartwatch with Leather Strap [Energy Class A+++]
Style Name: Classic with Leather
- Android and IOS - One of the first watches powered by Android Wear™ to work with Android & iPhone.Requires a phone running Android 4.3+ or iOS 8.2+.
- True Watch design - 42mm diameter, the most classic watch size. One watch, many looks, 40+ watch faces at your fingertips.
- World's first Android Wear smartwatch with Sapphire Crystal screen, stylish Cold-Forged 316L Stainless Steel and Fine Leather straps available.
- Always-On Screen & Voice Interaction - See important details at a glance, without touching your watch, such as social media notifications, all your messages, who's calling and turn by turn navigation instruction.
- Fitness Tracking and Heart Rate Monitor - A high-accuracy motion sensor keeps track of your activity and knows when you’re walking, running or climbing. Order it here