Garmin Descent Mk2i, Watch-Style Dive Computer with Air Integration & HRM-Pro, Premium Heart Rate Monitor Chest Strap, Real-Time Heart Rate Data and Running Dynamics, Black : Electronics - Amazon.com
Amazon.com: Garmin Descent Mk2S, Smaller-Sized Watch-Style Dive Computer with Wearable4U Power Pack Bundle (Mineral Blue with Silicone Band) : Electronics