The Citizen Eco-Drive Promaster CB0240-29X is designed for professional use, offering durability to push your limits. Enhance your watch collection with the latest Promaster Sky, crafted to withstand the demands of daily wear. It features a dark brown calf strap, a sleek dark green dial with yellow accents, sapphire glass, and a 42.4 mm case for robustness and style. Enhanced performance capabilities include a perpetual calendar, radio control functionality (not applicable in Australia), world time for 26 cities, an aviation slide rule on the inner ring, and a cockpit dial design. Powered by Eco-Drive technology, this watch operates using light energy, eliminating the need for battery changes.* *Note: Radio control functionality is not available in Australia due to the absence of compatible radio transmitting stations. Manual time adjustment is required, as detailed in the instruction manual. - Calibre H145 - Radio Controlled - Perpetual Calendar - World time (26 cities) - Anti-magnetic 4800 A/m - Daylight Saving Function - Date - Automatic Hands Correction - Insufficient Charge Warning Feature - Power Saving Mode - Slide Rule - Low Charge Indicator - 2-Year Power Reserve (in power save mode). - 42mm Case Size - Stainless Steel Case - Leather Strap - Sapphire Crystal - 200 Meters Water Resistant