Case size: (H x W x D): 51.3 mm x 46.3 mm x 12.4 mm Weight: 171g Made in Japan Case material: Stainless steel Strap: Stainless steel Water resistance: 200-meter water resistance (ideal for free diving without diving equipment: the watch is water resistant to 20 bar according to ISO 22810) Mineral glass Bluetooth® Smart: The watch is equipped with energy-saving Bluetooth® technology, which offers energy-saving data transfer at the touch of a button. The watch can connect wirelessly to a smartphone via Bluetooth® technology, allowing access to a wide range of useful functions Smartphone time: Local time is automatically set whenever the watch is connected to a smartphone Double illuminator: dial illuminated in two places Shock resistance: Shock-resistant design protects against shocks and vibrations Resistance to rejection Solar powered: Solar cell provides energy for operation Battery type: CTL920 Neo-display: Luminous coating provides long-lasting illumination in the dark after just a