My new G-shock 5610U, came with battery level at M. Kept in sun light for 15mins, level became H. After that took it inside room. After 15mins battery level again back to
Casio G-Shock--Recommendation on Watches | City Chain Official Website
Casio Men's G-Shock Big Case Analog Digital Watch 200 M WR Shock Resistant Color : White with Blue Accents (GA-100A-7A) - Walmart.com