Khaki Aviation X-Wind Autochrono H77506540 Watch

The Watch

The Hamilton Khaki Aviation X-Wind Autochrono is a men's watch built for true aviation enthusiasts. Its 44 mm case, crafted from 316L stainless steel, speaks to its robustness and refinement. With a classic round profile, it upholds the finest traditions of Swiss haute horlogerie. The bi-directional bezel adds a practical dimension for aviation professionals, enabling the precise in-flight calculations they rely on. The transparent case back is intentionally left open, inviting you to admire the intricate movement in action.

The Dial

The dial commands attention with its deep blue hue - as striking as it is functional. Refined Arabic numerals pair flawlessly with luminescent hands treated with SuperLuminova, ensuring optimal legibility in low light. The sapphire crystal, renowned for its exceptional scratch resistance, upholds Swiss quality standards while offering lasting protection for the dial. Three additional chronograph sub-dials - tracking 12 hours, 30 minutes, and a small seconds counter - add a layer of technical sophistication, while the dual window for day and date integrates harmoniously without crowding the dial.

The Movement

At the heart of the Hamilton beats the automatic caliber H-21, delivering remarkable precision and sustained performance. Inspired by the legendary ETA 7750 (Valjoux), this caliber offers a power reserve of up to 60 hours, extending the time the watch can run without winding. A frequency of 28,800 bph (4 Hz) enhances the stability and fluidity of the hands, ensuring admirable accuracy for a watch in this class.

The Strap

The strap in cowhide leather is a study in class and durability. Its warm brown tone, set off by contrasting stitching, enhances the watch's refined design while delivering exceptional comfort. The classic pin buckle closure ensures a secure fit and perfect adjustment on the wrist. At 22 mm wide, this strap integrates seamlessly into the overall architecture of the watch, providing the strength it demands without weighing down the aesthetic.

Water Resistance

With a water resistance of 10 ATM, the Hamilton Khaki Aviation X-Wind Autochrono handles most water-related activities and wet conditions outside of deep-sea diving. This pressure resistance - equivalent to approximately 100 meters - guarantees reliable protection during occasional aquatic adventures, whether at the pool or in rainy weather. The screw-down crown reinforces this water resistance, reflecting a commitment to protecting the watch's performance across a wide range of environmental conditions.