The  Casio Oceanus OCWM800TBA-1A will never need its battery changed, due to the fact that it is solar powered. Billed as the world's first atomic solar powered chronograph in the world, the watch features Multi-Band 5 Atomic Timekeeping, world time,alarm clock, 100M water resistance and a reverse countdown timer.

The solar powered watch also sports a spherical sapphire crystal with non-reflective coating, giving scratch resistance and reduced glare.

The Casio Oceanus is definitely not in the inexpensive Casio Watch category, with a suggested retail price of $900. The watch can be found at select department and jewelry stores.

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