This Citizen Eco-Drive Perpetual Calendar Alarm Chronograph with Day-Date is Radio Controlled in 5 time zones, has a 1 Second Chronograph measuring up to 60 minutes, 12/24 Hour Time and features a Non-Reflective Sapphire Glass. Water Resistant to 200 metres.*Please note that the radio-controlled functionality will not work in Australia due to the absence of radio transmitting stations within range. These stations are exclusive to four regions: Europe, USA, China and Japan. However, this does not affect manual time adjustment. Please refer to your instruction manual for guidance.