Citizen Caliber 2100. Bold, sporty, and sustainably powered. Citizen raises the adventure bar in the newly relaunched Caliber 2100 Series of professional-grade timepieces with a hand-assembled movement and part of the Promaster Land collection. The limited-edition design is inspired by the iconic original in silver-tone stainless steel with a 3-piece case construction that features a metal dial and four contrasting subdials. This stylish men's sports watch also features a 1/5 second chronograph that measures up to 12 hours, an instantaneous flyback zero reset button, tachymeter, power reserve indicator and date, luminous hands and markers, and an anti-reflective sapphire crystal. The distinctive design is powered with Citizen's proprietary Eco-Drive technology that converts energy from any type of light and never needs a battery. Water resistance to 200 meters. Limited to 2100 numbered pieces worldwide.