Gentus 40MM Champagne Steel (Automatic) Strap Material_Stainless Steel Strap Inner Circumference: 190 +/-

Strap Inner Circumference: 190 +/- 5 mm

Movement: Quartz Chronograph

2 types of watch bands included

Water Resistance 5 bar Magnetic Resistance 4

Track your blood oxygen saturation while you’re awake or asleep2

Gentus 40MM Champagne Steel (Automatic) Strap Material_Stainless Steel Strap Inner Circumference: 190 +/-Case Material : 316L Stainless Steel Luminous: BGW9 & C3 Super Luminova Movement : TMI NH35A Glass Material : Anti reflective sapphire glass Water Resistant : 5ATM 50M Bracelet : Integrated Bracelet including 2 short links for micro adjustments with a butterfly clasp Warranty : 2 years Watch Model : R15 5A1B1B1 Measurement Case Size: 40mm Ear To Crown : 43mm Lug To Lug : 45. 5 Case Thickness: 11. 9mm Bracelet Taper : 24. 5mm to 18mm Case Weight : 150g