This timepiece belongs to the Promaster Land collection and boasts an array of impressive functionalities tailored for pilots. It incorporates a radio-controlled time-keeping feature, capturing signals from four global regions to automatically adjust time. Additionally, it includes a 1/1 second chronograph capable of measuring up to 60 minutes, an aviator slide rule, and a world time function for swift switching among 24 cities. Complemented by a sleek blue dial, sapphire crystal glass, and 200 meters water resistance, this watch is a standout choice. (Note: Radio-controlled functionality is unavailable in Australia due to the absence of transmitting stations within range.) Please consult the instruction manual for manual time adjustment instructions. Caliber E660. - Calibre E660 - Promaster Land - Chronograph - Eco-Drive - Stainless Steel Case and Bracelet - 44.6mm Case Size - Sapphire Crystal - 200 Meters Water Resistant