
Product Overview
The Hamilton Khaki Aviation Automatic Men’s Watch is a precision-engineered timepiece designed for pilots and aviation enthusiasts who value both function and style. Built with a 42mm stainless steel case and a striking blue dial, this Swiss-made watch combines rugged reliability with elegant design. Powered by the H-10 automatic movement, it delivers an impressive 80-hour power reserve and enhanced accuracy thanks to its Nivachron™ balance spring. Whether you’re navigating the skies or navigating city streets, this watch offers the tools and durability needed for serious adventurers. It’s a dependable companion for those who demand performance without compromising on aesthetics.
Key Features
- Swiss-Made Automatic Movement: The H-10 caliber movement ensures reliable timekeeping with no need for a battery. Its 80-hour power reserve means you can take it off Friday evening and still have it running accurately Monday morning.
- Blue Slide-Rule Bezel: Designed for practical use, the matching blue rotating bezel functions as a slide rule, allowing pilots and travelers to perform quick calculations such as fuel consumption, flight times, and unit conversions—ideal for real-time decision-making in the cockpit or during travel.
- Sapphire Crystal: The scratch-resistant sapphire crystal protects the dial from daily wear and tear, maintaining clarity and readability in all lighting conditions, whether under bright sunlight or in low-light environments.
- 100m Water Resistance: Rated for depths up to 100 meters (10 ATM), this watch is suitable for swimming, snorkeling, and other recreational water activities, offering peace of mind during aquatic adventures.
- Cow Leather Strap: The high-quality cow leather strap provides lasting comfort and develops a rich patina over time, enhancing its character while maintaining a classic, refined appearance that aligns with the watch’s aviation heritage.
- Three-Hand Analog Display: Simple and intuitive, the hour, minute, and second hands deliver clear time reading, supported by luminous markers for enhanced visibility in dimly lit conditions.
Technical Specifications
- Case Diameter: 42mm
- Case Material: Stainless Steel
- Dial Color: Blue
- Movement: H-10 Automatic (Swiss Made)
- Power Reserve: 80 Hours
- Balance Spring: Nivachron™
- Crystal: Sapphire
- Water Resistance: 100 meters (10 ATM)
- Strap Material: Cow Leather
- Bezel: Rotating Blue Slide-Rule
- Number of Hands: 3 (Hour, Minute, Second)
- Model Number: H76645540
- Department: Men’s
- Manufacturer: Hamilton Watch
- ASIN: B09SGN9232
- Package Dimensions: 5.55 x 5.51 x 4.72 inches
- Item Weight: 1.52 Pounds
- Date First Available: February 14, 2022
Benefits & Use Cases
This watch is purpose-built for aviation professionals, frequent travelers, and outdoor enthusiasts who appreciate functional design rooted in practical utility. The slide-rule bezel isn’t just a design element—it’s a working tool that enables real-time calculations during flight planning or in-flight adjustments, making it more than just a timepiece. Pilots can quickly compute fuel burn rates, convert nautical miles to statute miles, or calculate ground speed with ease, all without needing additional instruments.
Its 100-meter water resistance rating means it stands up to splashes, rain, and even submersion during swimming or snorkeling, expanding its usability beyond the cockpit to beach vacations or poolside relaxation. The durable stainless steel case resists corrosion and daily impacts, while the sapphire crystal ensures the dial remains pristine despite exposure to dust, sand, or minor abrasions.
The H-10 automatic movement eliminates the need for battery replacements, offering consistent performance as long as the watch is worn regularly. If left unworn, the 80-hour power reserve ensures it remains accurate for up to three and a half days before requiring a reset. This makes it ideal for those who rotate watches or travel frequently.
Stylistically, the deep blue dial and matching slide-rule bezel evoke classic pilot watch aesthetics, while the cow leather strap adds a touch of sophistication suitable for both casual outings and business-casual settings. It’s a watch that transitions seamlessly from the flight deck to dinner, making it a versatile centerpiece in any collection.
Important Notes
The manufacturer’s warranty is available and can be requested directly through Hamilton’s customer service. This watch is part of the Khaki Aviation line, a collection known for blending military-inspired functionality with Swiss precision craftsmanship. While the watch is water-resistant to 100 meters, it is not designed for scuba diving or high-pressure water sports. To preserve the integrity of the cow leather strap, avoid prolonged exposure to moisture, sweat, or direct sunlight. The package includes the watch only; no additional accessories, tools, or documentation are specified in the original product details.