Battery: 17207

Parallax Free                        Yes

Model: ON8904

no need to re-sight laser after battery change

Tempered forged steel tools with metal shaft

Casio Edifice 527D-1AV Chronograph EYE PROTECTIONS Battery: 17207Comfort, style and intelligence all come together in the Edifice EF527D 1AV. Smaller rounded band segments allow its solid stainless steel band to hug the wrist with more comfort while a knurled bezel, precision dial indexes and mineral glass give the timepiece a stylish, technical look. Inside, a 1 20th Chronograph and rotating Slide Rule allow for precision measurement and calculations such as time, speed, fuel consumption and more. 100M Water