Watch

Reference: H89429930

Caliber: H-51-Si

Collection: Khaki Aviation

Movement: Mechanical

Case size: 40mm

Thickness (mm): 14.35

Dial Color : Black

Case Material : Stainless steel

Crystal: Sapphire

Lug width: 22mm

Power reserve: 60 hour

Water Resistance: 10 bar (100m)/145 psi (328ft)

Silicon Balance Spring: Yes

Bracelet/Strap

Strap reference: H6000001331

Strap type: Canvas

Buckle type: Pin buckle

Buckle width: 20mm

H-51-Si

The H-51-Si is a mechanical 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 hand-wound caliber keeps and measures time via an iconic dial complete with start/stop and reset pushers. With no rotor and no date function,

this interactive movement brings modern reliability and precision to signature

vintage-inspired design.

description

A reliable companion for your aerial feats, our celebrated Khaki Pilot Pioneer Mechanical Chronograph is reinterpreted in a Limited Edition for Hodinkee to become a treasure for today’s most adventurous collectors. Bringing back the form and function of the British Royal Air Force chronographs from the 1970s, this Limited Edition timepiece stands out with its matt black dial, bright orange chronograph hand, and vintage military-inspired textile strap. Housing the H51-Si movement with 60 hour power reserve, it is a powerful tool watch to explore the skies.