Hamilton H77616133 Khaki Aviation X-Wind Auto Chronograph presage the 23-jewel automatic movement has

the 23-jewel automatic movement has both manual and automatic winding capabilities and beats at a frequency of 21

Bezel: Unidirectional rotating stainless steel bezel with ceramic insert and gas tube inset

Its unique asymmetrical design

A smartphone app can be used to check your LifeLog and activity history data

Yellow GMT hand

Hamilton H77616133 Khaki Aviation X-Wind Auto Chronograph presage the 23-jewel automatic movement hasInnovative, adventurous and accurate. It's what pilots need in a timepiece and Hamilton always delivers. The Khaki X Wind features the first ever drift angle calculator to appear in a watch and helps pilots accurately calculate how crosswinds will affect their journey. With a technical look and automatic movement that also suits urban aviators down to the ground it's the perfect everyday co pilot. Reference H77616133 Caliber: H 21 Movement: Automatic