AT1150-31E
CITIZEN Eco-Drive Chronograph Mens watch AT1150 AT1150-31E
Black Dial with Raised Numerals and detailed subdials
Stainless steel Case Screw case back Cloth & leather strap
Metal : Stainless Steel
Movement : solar powered Chronograph Caliber : Citizen H570
ECO-DRIVE FEATURES:
"Eco-Drive" solar powered generating system, meaning that there is no need to ever change batteries;
Never Needs A Battery - Runs on the Power of Light
Charges in Sunlight or Indoors - No Batteries to Change - Ever
6 Month Power Reserve Low Charge Indicator & Time Reset Advisory 24 hour format- sub dial Graduated for 30 pulsations
Water resistance to 100 meters/ 10 bars Sapphire Glass
Date feature at the 4 o'clock hour Approximate Measurements
Case diameter: 44.5mm including crown, 40.5mm excluding crown

AT1150-49E

CITIZEN Eco-Drive Chronograph AT1150-49E
Eco-Drive solar powered
generating system, meaning that there is no need to ever change batteries;
150 Days month power reserve when fully charged. Water resistance to 100
meters/ 10 bars/ 330 feet
Case Metal :  Stainless Steel
Size: 
45mm with crown
Movement : solar powered Chronograph
Caliber : Citizen
H570 Made in Japan
Leather Strap
Sapphire Glass
Dial : As shown on picture