R9 Darkside Steel Gender_Female Once you take measurements with

Once you take measurements with a smartphone

battery life is often the limiting factor for recording distance and track accurately

and once started

The watch maintains a constant Bluetooth® connection with your phone to support auto time adjustment

aluminium bezel ring

R9 Darkside Steel Gender_Female Once you take measurements withSpecification Case Material : 316L Stainless Steel Strap : Silicon Rubber Movement : Japan Quartz Movement Luminous: BGW9 Swiss lume hands Glass Material : Anti reflective sapphire glass Water Resistant : 10ATM 100M Warranty : 2 years Interchangeable Strap : No Measurement Case Size: 44mm Case Thickness: 15mm Case Weight : 125g Strap Width : 22mm