EasyRead Time Teacher Children's Watch, 12 & 24 Hour Time, Red Blue Grey Face/Navy Blue Strap EasyRead Time Teacher children's time teacher watch, 1.3" diameter, with red, blue & grey face, navy blue fabric strap and metal buckle. Designed to help children learn to tell the time in terms of 12 & 24 hour time, for example 1:51 or 13:51. Supplied with simple 2-step teaching system instructions, easy to learn, compatible with the EasyRead Time Teacher 12 & 24 hour digital clock. Battery operated, Seiko PC21s movement, stainless steel back, durable IPS plating (non allergenic). Battery included. Water resistant. Can withstand splashing, but not total immersion. Washable fabric strap, 0.6" wide by 8.5" long. Fits wrists from 4.7" to 7" circumference (small child to medium adult).