Hamilton Khaki Field 36mm "FAPD 5101 Reissue" Black Dial NATO Mechanical Watch H69399930

The Hamilton Khaki Field Mechanical H69399930 keeps things simple in the best way possible. Built around purpose, not excess, its 36mm case leans fully into its military roots — compact, functional, and true to the original field watches it’s inspired by.

Limited 2026 Production

Produced exclusively in 2026, this isn’t just another Khaki Field. It’s a focused revival of a specific moment in Hamilton’s history, based on the FAPD 5101 navigator’s watch issued to U.S. Air Force crews in the 1970s. Designed under strict military specifications, these watches were tools first and foremost — built for reliability, clarity and durability in demanding conditions. That same thinking carries through here.

Clean, Functional Dial

The dial does exactly what it should. Clear Arabic numerals, a 24-hour inner track, and strong contrast make it instantly readable. Nothing feels forced or overdesigned — just straightforward functionality. Super-LumiNova® Grade X2 adds a subtle vintage tone while delivering modern low-light performance.

True-to-Original Construction

Details like the fixed bars aren’t there for style — they’re there because they work. Designed for maximum security, they ensure the strap stays in place under demanding conditions. Paired with a khaki cotton NATO strap, it stays authentic in both look and feel, closely replicating original military-issued pieces.

The acrylic box crystal is a deliberate choice. Originally used for its durability and ease of replacement in the field, it’s retained here to preserve authenticity. Now enhanced with a hard coating and anti-fingerprint treatment, it keeps the vintage look while improving everyday usability.

Mechanical, As It Should Be

Inside, the H-50 hand-wound movement keeps things traditional. No rotor, just a direct mechanical feel with up to 80 hours of power reserve. It’s simple, reliable, and more engaging than a typical automatic. A Nivachron balance spring adds modern resistance to magnetism, shocks and temperature changes.

Built for Harsh Environments

A subtle but important detail is the internal dust cover, included to mirror the original military construction. Designed to protect the movement from debris and reduce magnetic interference, it reinforces the watch’s tool-first design.

No excess, no shortcuts — just a watch built the way it was always meant to be.