Hamilton Khaki Aviation Automatic Men’s Watch, 44mm

Product Overview

The Hamilton Khaki Aviation Automatic Men’s Watch is a purpose-built timepiece that bridges the worlds of aviation functionality and Swiss craftsmanship. With its 44mm stainless steel case and bold blue dial, this watch captures the spirit of flight—evoking open skies and precision navigation. At its heart lies the H-21-Si automatic movement, a Swiss-made caliber enhanced with a silicon hairspring for superior resistance to magnetic fields and temperature shifts, ensuring consistent accuracy over time. Designed for pilots, travelers, and watch enthusiasts, this model features a bi-directional rotating slide-rule bezel, enabling on-the-fly calculations for fuel consumption, airspeed, distance, and unit conversions—making it a practical tool in the cockpit or on the ground. Built to endure real-world conditions, it offers 100 meters of water resistance and is protected by scratch-resistant sapphire crystal, ensuring clarity and durability through daily wear and active use.

Key Features

• Swiss-Made Automatic Movement (H-21-Si): This self-winding movement is engineered in Switzerland and incorporates a silicon hairspring, which improves performance by reducing susceptibility to magnetism and thermal changes. The result is reliable, long-term timekeeping with minimal maintenance.
• Bi-Directional Rotating Slide-Rule Bezel: A hallmark of pilot watches, this functional bezel allows users to perform essential aviation calculations directly from the wrist. Whether converting nautical miles to kilometers or estimating fuel burn, it supports quick decision-making in flight or during travel.
• 44mm Stainless Steel Case: The substantial yet balanced case size delivers a confident presence on the wrist, crafted from corrosion-resistant stainless steel that maintains its luster and structural integrity over years of use.
• Blue Dial with Analog Display: The rich blue dial is designed for high legibility, featuring clear hour markers and luminous hands that ensure visibility in various lighting conditions—from bright daylight to dim cockpit environments.
• Stainless Steel Bracelet: The integrated bracelet offers a secure, comfortable fit with a polished and brushed finish that complements both casual and professional attire. Its robust construction supports daily wear without compromising style.
• Sapphire Crystal: Known for its exceptional hardness, the sapphire crystal face resists scratches and impacts, preserving the watch’s clarity and appearance even under demanding conditions.
• 100m Water Resistance: Rated for depths up to 100 meters (10 ATM), this watch is suitable for swimming, snorkeling, and other water-based activities, providing confidence in wet environments without sacrificing functionality.

Technical Specifications

• Case Material: Stainless Steel
• Case Diameter: 44mm
• Dial Color: Blue
• Movement: Swiss Automatic (H-21-Si) with Silicon Hairspring
• Bezel: Bi-Directional Rotating Slide-Rule
• Crystal: Sapphire
• Water Resistance: 100 meters (10 ATM)
• Strap Material: Stainless Steel
• Strap Type: Bracelet
• Model Number: H76746140
• Department: Men
• Manufacturer: Hamilton Watch
• ASIN: B0D7QS7QXZ
• Package Dimensions: 5.55 x 5.47 x 4.69 inches
• Item Weight: 1.81 pounds
• Date First Available: June 21, 2024

Benefits & Use Cases

More than a stylish accessory, the Hamilton Khaki Aviation Automatic serves as a reliable instrument for those who live by precision and performance. For pilots and aviation professionals, the slide-rule bezel transforms the watch into a functional flight calculator, enabling real-time computations that support navigation and fuel management. Its robust build—featuring a stainless steel case and bracelet, sapphire crystal, and 100m water resistance—makes it equally suited for outdoor adventures, water sports, or everyday wear. The watch transitions effortlessly from the cockpit to the boardroom, offering a refined aesthetic with the blue dial and metallic finish. Swiss engineering ensures long-term reliability, while the automatic movement eliminates the need for battery changes. Collectors and enthusiasts will appreciate the attention to detail and heritage behind the H-21-Si movement, a testament to Hamilton’s legacy in aviation timekeeping.

Important Notes

This watch is covered by a manufacturer’s warranty, which can be requested directly from Hamilton’s customer service team. The standard package includes the watch, stainless steel bracelet, and accompanying documentation. The Best Sellers Rank reflects its position within the broader Clothing, Shoes & Jewelry category and may vary over time. While the silicon hairspring improves resistance to magnetic fields, prolonged exposure to strong magnets should still be avoided. For optimal performance and longevity, periodic servicing by a certified watchmaker is recommended. The watch is designed for men and fits most standard wrist sizes; adjustments to the bracelet may require professional assistance.