The Khaki Aviation Collection from the HAMILTON Brand is inspired by turn of the twentieth century pioneering pilots and aviators of the time, made with modern innovation keeping in mind tradition with classic American style. The X-Wind Chronograph features a drift-angle calculator within the bezel, enabling the compacity to accurately calculate and record crosswinds during pilots flight journeys. The automatic wrist watch is equipped with the H-21-Si caliber movement with a 60 hour power reserve viewable behind the exhibition case-back. Model #H77906940 has a 45mm brushed and polished stainless steel case behind a scratch resistant, anti-reflective sapphire crystal. The blue sun-brushed dial has 30 min, sub-seconds and 12 hour sub-dials surrounded by easily legible luminous Arabic numerals with minutes track. Fitted with luminous syringe style hands with date/day windows @9. The stainless steel screw-down crown and polished chrono pushers are located on the opposite side of the case to not interfere with the two individual drift angle bezel crown operation. Finished with a blue canvas strap with stainless steel rivet accents and matching stitch. 

The Hamilton Watch Brand creates the look of vintage style using modern materials and innovations for that perfect timepiece blend. The Khaki Aviation Collection by Hamilton, celebrates a rich history of American Aviation with Swiss precision since 1918. Shop the full Pilot watches and Aviation Collection.

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• Model #	H77906940
  Case Material	Brushed and polished stainless steel case Notched stainless steel bi-directional bezel with black numbers Blue inner drift angle bezel with white numbers and orange accents
  Case back	Solid screw on stainless steel exhibition case back displays movement
  Case Diameter	45mm
  Case Thickness	14.8mm
  Crown	Stainless steel screw-down crown with HAMILTON logo@9 & polished chrono pushers Polished stainless steel crowns with crown guard  Variable crown adjustment @2 Degree/wind speed crown @4
  Crystal	Anti-reflective scratch resistant sapphire crystal
  Dial	Blue sun-brushed dial  Luminous oversize Arabic numerals and minutes track on outer dial Luminous syringe style hands Blue hour, 30min and sub-seconds dials White day/date windows @9 with black numbers
  Bracelet/Strap	Blue canvas strap with stainless steel rivet accents and matching stitch
  Buckle/Clasp	Stainless steel tang pin buckle with HAMILTON insignia
  Lug Width	22mm
  Buckle Width	22mm
  Movement	Caliber: Hamilton H-21-Si, automatic wind  Accuracy:  Power Reserve: 60 hours Jewels: 25
  Functions	Hours/Minutes/Seconds 12-hour sub@12 30-min sub@6 60-sub-seconds@3 Date/day @9 Drift-angle calculator
  Magnetic Resistance	4800 A/m (60 gauss)
  Water Resistance	100m
  Warranty	2 year Factory Warranty
  Remarks

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