Yahoo! AT8181 AT8181 63L ACT Line Yahoo! AT8181 63L ACT Li ACT Line AT8181 63L by. Introduced in 1987, Citizen's Eco Drive powered Radio Controlled watch collection combines luxury, precision, and reliable performance. Part of the ACT Line, this timepiece features a durable, scratch resistant Super Titanium case and matching bracelet. Silver tone accents contrast strikingly with the rich blue three register chronograph dial, creating a bold yet refined aesthetic. Beyond its striking design, the watch offers a range of practical features, including 26 city World Time, a power reserve display, a perpetual calendar, scheduled radio signal reception, overcharge prevention, a sapphire crystal, and water resistance up to 100 meters (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.) Collection: Radio Controlled Technology: Eco Drive Case Material: Titanium Dial: Blue Case Size (MM): 42 Band: Titanium Bracelet, Push Button Buckle Water resistance: WR100 10Bar [Swimming Snorkeling] Functions: Calibre H800, Radio Controlled, Antimagnetic, Power Save Function, Low Charge Warning, Overcharge Prevention, Automatic Station Selection, Scheduled Reception, Forced Reception, Perpetual Calendar, 1 20sec Chronograph, Direct Flight, World Time, PERFEX, Perfex Multi 3000, Quick Start, Summer Time, 24hr Display, Power Reserve (10 months), Day Date Display