It encourages intellectual functions, understanding of time, logical thinking and mathematical intelligence.
Stainless steel ring, mechanism: SEIKO PC2I. 1.55V, mercury free watch battery (lasts approximately 2 years).
Resistant at 3 ATM (to water splashes). Not waterproof.
Their first wrist watch is an educational accessory that will help them get used to the idea of time. Exclusive design.