Hamilton

Converter Auto Chrono

Reference Number :

H76746140

Series : Khaki Aviation

Retail: $2,245

(As of: 05/2025)

This watch is not for sale, this page is just for reference purposes only. If you would like to purchase this watch, please contact Hamilton. If you are interested in selling this watch to us, you can contact us here.

Quick TakeThis Hamilton Khaki Aviation Converter Auto Chrono, with its rich blue dial, truly embodies the spirit of an aerial adventurer. Imagine a seasoned pilot, pushing the limits of their aircraft, relying on this very timepiece for critical timing. Its hefty 44mm stainless steel case feels substantial, a testament to its robust build, while the anti-reflective sapphire crystal ensures a crystal-clear view of the intricate dial, even when battling glare from the sun. The ingenious H-21-Si automatic movement, with its cutting-edge silicon balance spring, hums with precision, shrugging off magnetic interference like it’s just another gust of wind. And that impressive 60-hour power reserve? It’s like having an extra fuel tank for your wrist, always ready for the next mission. This watch isn't just a time teller; it's a co-pilot, a navigator, and a silent companion on any journey.

DescriptionThe Hamilton Khaki Aviation Converter Auto Chrono, bearing reference H76746140, presents a robust stainless steel case with a substantial 44mm diameter and a thickness of 14.6mm. This timepiece incorporates a meticulously engineered sapphire crystal, further enhanced with an anti-reflection coating to ensure optimal legibility in diverse lighting conditions. The watch's structural integrity is reinforced by a screw-down crown, contributing to its notable water resistance rating of 10 bar, equivalent to 100 meters or 328 feet, rendering it suitable for aquatic environments up to that depth. The case design also features an open case back, providing a visual aperture into the intricate mechanics of the movement within. Complementing the robust case is a stainless steel bracelet, secured with a folding clasp, and dimensioned with a 22mm lug width, ensuring a secure and comfortable fit on the wrist.

Powering this instrument is the Caliber H-21-Si, a sophisticated automatic chronograph movement, meticulously engineered for precision and durability. A key distinguishing characteristic of this movement is its silicon balance spring, an advanced material choice that provides exceptional resistance to magnetic fields and fluctuations in atmospheric pressure, thereby enhancing the watch's chronometric stability and long-term accuracy. The H-21-Si caliber boasts an impressive power reserve of 60 hours, ensuring extended operational independence without the need for frequent winding. Chronographic functions are managed through strategically positioned start/stop and reset pushers on the side of the case, controlling either two or three subdials located at the 6, 9, and/or 12 o’clock positions on the striking blue dial, offering comprehensive time measurement capabilities.

GenderMen

SignaturesHamilton

Country of OriginSwitzerland

Case Size44 mm

MovementAutomatic

CaliberH-21-Si

FunctionsChronograph, Hours, Minutes, Seconds, Date, Day

Power Reserve60 Hours

Case MaterialsStainless Steel

Bezel MaterialsStainless Steel

Lug MaterialsStainless Steel

Case BackSapphire Crystal