Case size (H× W× D): 51.3 × 46.3 × 12.4 mm Weight: 171 g Solid stainless steel case (The solid stainless steel watch case provides a valued and robust quality) Screw locked back Bracelet: Stainless steel Water resistance: 200-meter water resistance (Perfect for free diving without scuba gear: the watch is water resistant up to 20 bar according to ISO 22810) Mineral glass Bluetooth® Smart: The watch is equipped with energy-saving Bluetooth® technology, which offers power-saving data transfer at the push of a button. The watch can connect to a smartphone wirelessly via Bluetooth®, enabling access to a wide range of useful functions Smartphone time: Local time will automatically be adjusted whenever the watch is connected with a smartphone Shock-resistant: Shock-resistant construction protects against impact and vibration Solar Power: A solar cell provides power for operation LED light (Super Illuminator) Stopwatch function Timer Daily alarm Full auto-calendar (to year 2099) Dual time (Ho