Khaki Aviation X-Wind Auto Chrono
Automatic | 45mm | H77906940
The H-21-Si is an automatic chronograph movement featuring a state-of-the-art balance spring made from the anti-magnetic material silicon for enhanced resistance to extreme atmospheric conditions. With an extended 60-hour power reserve, this powerful caliber reliably keeps and measures time via two or three sub dials at 6, 9 and/or 12 o’clock, and start/stop and reset pushers on the side.
Features Reference H77906940 Caliber H-21-Si Collection Khaki Aviation Movement Automatic Case size 45mm Dial color Blue Case material Stainless steel Crystal Sapphire Lug width 22mm lug width Power reserve 60-hour power reserve Water Resistance 10 bar (100 m) /145 psi (328 ft) Anti Reflection Yes Open Case Back Yes Screw Down Crown Yes Silicon Balance Spring Yes
Features Strap reference H6007791011 Strap type Textile Strap color Blue Buckle type Pin buckle Buckle width 22mm buckle width