boAt Wave Sigma Smartwatch Offer: Get flat 80% off on smartwatch from boAt. Up your lifestyle with Wave Sigma smart watch. Supported with DIY Watch Studio on the Crest App, Wave Sigma makes it fun to create mesmerizing watch faces that express your most authentic self. With 700+ active modes you can track almost everything you do through the day. The stunning 2.01” HD Display, provides crystal-clear visuals that make accessing your notifications & apps effortless, and Bluetooth calling ensures a seamless calling experience. Featuring a boAt coins, it makes sure that your journey to fitness is a rewarding one. So Strap on and keep going!