Hamilton Khaki Field 38mm, Black Dial Green Nylon
The Hamilton Khaki Field H69439931 is a 38mm stainless steel manual-winding field watch with an H-50 movement, 50m water resistance, and sapphire crystal.
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About this item
- Manual winding H-50 movement with an extended 80-hour power reserve.
- Water resistant to 50 metres (5 bar), suitable for swimming and outdoor activities.
- Durable 38mm stainless steel case, black dial, and textile strap.
- Features Super-LumiNova and sapphire crystal for outdoor challenges.
- Comfortable textile strap with pin buckle, merging functionality with fashion.
- Rich heritage in field watches, admired for precision and rugged durability.
Top Highlights
- Brand
- Hamilton
- Model Name
- Khaki Field
- Model Number
- H69439931
- Department
- Men
- Item Type
- Dress Watch
- Manufacturer
- Hamilton Watch
- Country of Origin
- Switzerland
- First Available
- 25 October 2018
- Release Year
- 2018
Features & Specs
- Display
- Analog
- Movement Type
- Manual
- Calibre
- H-50
- Power Source
- Mechanical
- Additional Features
- Water-resistant
- Battery
- No battery (manual winding)
- Strap Type
- Nylon One Piece
- Case Material
- Stainless steel
- Case Size
- 38.0 mm
- Case Thickness
- 9.5 mm
- Lug Width
- 20.0 mm
- Weight
- 80.0 g
- Water Resistance
- 50 m
- Sport Type
- Walking
- Strap
- Nylon
- Clasp
- Tang Buckle
- Closure Type
- Pin Buckle
- Crystal
- Sapphire crystal
Style
- Style Name
- Mechanical
- Dial Shape
- Round
- Dial Colour
- Black
- Band Color
- Green
- Theme
- Mountain
- Face Style
- Traditional Analog
- Collection
- Khaki Field
- Dial Markers
- Super-LumiNova
Description
The Hamilton Khaki Field Mechanical H69439931 stands as a modern iteration of a classic military timepiece, directly tracing its lineage back to watches supplied to American soldiers in the 20th century. This 38mm model is a purist's choice, appealing to those who value historical accuracy, robust utility, and the tactile engagement of a manual-winding movement. It's an accessible entry point into mechanical watch ownership for enthusiasts of field watches.
Powering this robust timepiece is Hamilton's proprietary H-50 calibre, a hand-wound movement celebrated for its impressive 80-hour power reserve. This extended autonomy means the watch can be set down for over three days and still keep accurate time, a practical advantage for daily wear. The watch features a durable stainless steel case and a scratch-resistant sapphire crystal, ensuring longevity and clarity even in demanding environments.
While its 50-meter water resistance is sufficient for daily splashes and light swimming, it is not designed for serious diving, lacking the ISO 6425 certification and screw-down crown typically found on dedicated dive watches. This makes it a field watch first and foremost, prioritising ruggedness and legibility over deep-water capabilities. Its simple, time-only display also means it foregoes complications like a date window, maintaining a clean and highly readable dial.
For collectors or daily wearers seeking an authentic military-inspired watch with a strong mechanical heart, the Khaki Field Mechanical is an excellent choice. Its compact 38mm size makes it versatile for various wrist sizes, and its heritage offers a compelling narrative. Those requiring higher water resistance or automatic convenience might consider other models, but for a true manual-wind field watch experience, this Hamilton is hard to beat.
Frequently Asked Questions
Is the Hamilton Khaki Field H69439931 suitable for daily swimming?
The Hamilton Khaki Field Mechanical H69439931 has a water resistance of 50 metres (5 bar), making it suitable for splashes, rain, and light swimming. However, it is not recommended for high-impact water sports, diving, or prolonged submersion to ensure its longevity.
What is the main advantage of the H-50 manual-winding movement in this watch?
The H-50 manual-winding movement in the Hamilton Khaki Field H69439931 offers an impressive 80-hour power reserve. This means the watch can run for over three days without being wound, providing excellent autonomy and convenience for daily wearers who appreciate mechanical watches.
How does this field watch compare to other 38mm mechanical watches in its price range?
The Hamilton Khaki Field H69439931 stands out with its authentic military heritage and robust build, featuring a sapphire crystal and 80-hour power reserve. While other watches might offer automatic movements, this model's manual winding and historical accuracy appeal to purists seeking a tactile connection to their timepiece.
Is the nylon strap comfortable for extended wear, and can it be replaced?
The textile strap with a pin buckle is designed for day-long comfort and durability, making it suitable for active use. Yes, the strap can be easily replaced with any 20mm lug width strap, allowing for personalisation and extending the watch's versatility for different occasions.
Who is the Hamilton Khaki Field Mechanical H69439931 most suitable for?
This watch is ideal for men who appreciate military-inspired design, historical authenticity, and the charm of a manual-winding mechanical watch. It's perfect for outdoor enthusiasts, casual wearers, or anyone seeking a reliable, no-frills timepiece with a strong character and robust construction for daily adventures.
What kind of maintenance does a manual-winding watch like this require?
A manual-winding watch like the Hamilton Khaki Field Mechanical H69439931 benefits from regular winding, ideally once a day, to maintain consistent timekeeping. Periodic servicing, typically every 3-5 years, is recommended to clean and lubricate the H-50 movement and check the water resistance seals.
Editor's take
The Hamilton Khaki Field Mechanical H69439931 stands as a modern iteration of a classic military timepiece, directly tracing its lineage back to watches supplied to American soldiers in the 20th century. This 38mm model is a purist's choice, appealing to those who value historical accuracy, robust utility, and the tactile engagement of a manual-winding movement. It's an accessible entry point into mechanical watch ownership for enthusiasts of field watches.
Powering this robust timepiece is Hamilton's proprietary H-50 calibre, a hand-wound movement celebrated for its impressive 80-hour power reserve. This extended autonomy means the watch can be set down for over three days and still keep accurate time, a practical advantage for daily wear. The watch features a durable stainless steel case and a scratch-resistant sapphire crystal, ensuring longevity and clarity even in demanding environments.
While its 50-meter water resistance is sufficient for daily splashes and light swimming, it is not designed for serious diving, lacking the ISO 6425 certification and screw-down crown typically found on dedicated dive watches. This makes it a field watch first and foremost, prioritising ruggedness and legibility over deep-water capabilities. Its simple, time-only display also means it foregoes complications like a date window, maintaining a clean and highly readable dial.
For collectors or daily wearers seeking an authentic military-inspired watch with a strong mechanical heart, the Khaki Field Mechanical is an excellent choice. Its compact 38mm size makes it versatile for various wrist sizes, and its heritage offers a compelling narrative. Those requiring higher water resistance or automatic convenience might consider other models, but for a true manual-wind field watch experience, this Hamilton is hard to beat.
In categories
From the manufacturer

TIMING HEROES SINCE 1892
Founded in Lancaster, Pennsylvania, in 1892 and now a member of the Swatch Group, Hamilton’s current collections combine its American spirit with true Swiss precision.

A HISTORY OF MILITARY PRECISION
Known for their accuracy and precision, Hamilton watches were essential kit for U.S. soldiers throughout the 20th century with over a million timepieces produced during WWII alone.

MADE FOR LIFE’S ADVENTURES
Inspired by Hamilton’s history supporting aviation pioneers and U.S. soldiers and watermen, Hamilton’s three adventure-ready collections , Khaki Aviation, Khaki Field and Khaki Navy , are made for modern-day explorers.

Enduring Manual Winding
The H69439931 features a manual winding movement, connecting the wearer to the watch's operation. This traditional mechanism underscores the Khaki Field's authentic military horology lineage. Its 38.0mm stainless steel case, protected by sapphire crystal, offers robust daily wear.
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