Bringing together precision technology and reliable durability, this watch from the Chronograph Collection represents the ceaseless quest for improvement. Better starts now, with tachymeter and chronograph precise to 1/5 of a second up to 60 minutes for consistent accuracy. Featuring sleek black dial with midnight blue and charcoal sub-dials, as well as date display and 12/24 hour time, it is stylishly functional. Powered by Eco-Drive Technology, power is sourced from light, so you never have to worry about batteries or charging for peace of mind.