Color: Black'20

Monitors underwater estimated wrist-based heart rate during swim activities

These are just some of the reasons why Bear Grylls

Luminox Men's Limited Edition Bear Grylls Survival SEA 3720 Series Black Rubber Band Black Dial Quartz Analog Watch Bear Grylls served in the military and is known for his survival skills as one of the world's most recognizable faces

𝐁𝐔𝐈𝐋𝐓 𝐓𝐎 𝐋𝐀𝐒𝐓: The durable nylon strap and stainless steel case will ensure that the watch is resistant to water pressure

Casio Men's Standard Analog Black Dial Gold Tone Stainless Steel Date Watch - MTP-V002G-1BUDF Features_Multifunction Color: Black'20Casio Men's Standard Analog Black Dial Gold Tone Stainless Steel Date Watch MTP V002G 1BUDF. Casio Computer Co. is a Japanese electronic devices manufacturing company founded in 1946, with its headquarters in Tokyo. Casio is best known for its calculators, audio equipment, PDAs, cameras, musical instruments, and watches. In 1957 Casio released the world's first entirely electric compact calculator. Brand: Casio Gender: Men's Item Shape: Round Dial