Hamilton Khaki Field Auto Ref. H70455733
Field Watch, Military-Style Tool Watch · Hamilton (Swatch Group), mid-range luxury watchmaker with deep American heritage now based in Switzerland
Period: Modern Military-Heritage (2000s-Present)
Type
Field Watch, Military-Style Tool Watch
Brand
Hamilton (Swatch Group), mid-range luxury watchmaker with deep American heritage now based in Switzerland
Movement
Automatic mechanical, ETA-based Hamilton H-10 caliber, 21,600 vph (3 Hz), 80-hour power reserve, 25 jewels
Dimensions
Case diameter 38mm, thickness 11mm, lug-to-lug 47mm, lug width 20mm
Description
The Hamilton Khaki Field Auto is a quintessential modern field watch that successfully bridges military heritage with contemporary daily wearability. Featuring a legible matte black dial, high-contrast white numerals, and robust stainless steel construction, it honors Hamilton's extensive history of supplying watches to armed forces. The 38mm case size hits a sweet spot for versatility, offering classic tool watch proportions that wear comfortably on a wide variety of wrist sizes.
Key Features
Distinctive military dial layout with inner 24-hour track, cathedral hands, sweeping seconds, and the extended 80-hour power reserve delivered by the modern H-10 automatic caliber
Dial Description
Matte black dial with large printed white Arabic numerals (1-12) for the hours, inner 24-hour military time track, cathedral-style hands with luminous filling, center seconds hand, railway minute track on the outer periphery
Case Material
Stainless steel 316L with a combination of polished bezel and brushed case sides and lugs
Crystal Type
Sapphire crystal, flat, with anti-reflective coating on the interior surface
Bezel Details
Fixed smooth stainless steel bezel with a high-polish finish complementing the curved case silhouette
Crown & Pushers
Unsigned or subtly branded push-pull crown with ribbed texture for grip, generous size for ease of manual winding
Bracelet or Strap
Stainless steel three-piece link bracelet with a brushed finish and deployment clasp with push-button release
Caseback Details
Exhibition sapphire display case back secured by screws, offering a view of the branded rotor and decorated mechanical movement
Movement Type
Automatic mechanical, ETA-based Hamilton H-10 caliber, 21,600 vph (3 Hz), 80-hour power reserve, 25 jewels
Water Resistance
50 meters (5 ATM / 165 feet), suitable for daily splashes, rain, and light surface swimming, but not recommended for scuba diving or water sports
Origin & Provenance
Swiss Made, manufactured in Biel/Bienne, Switzerland, utilizing heavily modified ETA automatic movements exclusive to Swatch Group brands
Age Estimate
Contemporary production, circa 2015-present
Cultural Significance
Widely regarded by horologists and enthusiasts as the ultimate entry-level Swiss mechanical field watch, often recommended as a first serious automatic watch purchase due to its rich history and incredible value proposition
Condition Notes
The watch appears to be in excellent condition with minimal visible wear on the brushed steel bracelet and case, clean crystal, and a pristine dial layout
Value Estimate
Retail price around $695 to $750 USD, secondary market values typically range from $400 to $600 USD depending on condition and whether it comes on a strap or steel bracelet
Care & Maintenance
Recommended professional service every 5 to 7 years to lubricate and inspect the movement. Avoid exposing to strong magnetic fields and ensure the crown is fully pushed in to maintain moisture resistance
Similar Watches
Seiko 5 Sports Field Series (more affordable, lower power reserve), Timex Expedition North (quartz or solar options), Sinn 556 (higher-tier alternative with German instrument aesthetic)
Interesting Facts
Hamilton has a direct lineage tracing back to Lancaster, Pennsylvania in 1892, where they produced pocket watches for the railroads and later wristwatches for the US military during WWI and WWII before moving complete operations to Switzerland