Casio Data Bank DB-360-1AJH Telememo 30 Digital Watch Silver
(The battery installed in the watch is a monitor battery used to check the watch’s functions and performance battery life will be shorter.). ・[Size] Case size (length x width x thickness): 43.1 x 37.7 x 10.4 mm strap width: 16 mm (buckle side) – 23 mm (case side) lug width: 18 mm wrist circumference up to 205 mm weight: 58 g.