Details Caliber No.: J280 Movement: Eco-Drive Signal Reception: Without Radio Reception Function Strap: Double Nato + Leather strap Water Resistant: Water Resistant to 200m Thickness: 14.4mm Case Size: 46mm Case: Stainless Steel Glass: Anti-reflective Mineral Glass Specification: Altitude Indication & Calibration Function (-300m to 1000m) Compass Indication and Calibration Function Date Display Power Reserve Indicator Chronograph