Hamilton Khaki Field Mechanical Ref. H69439931
Field Watch / Tool Watch · Hamilton (Swatch Group). Luxury-Tier: Entry-level Swiss Luxury/Premium. Hamilton has a deep history as the primary supplier to the US military.
Period: Modern Heritage / Neo-Vintage. It is a faithful re-issue of the MIL-W-46374 military specification watches from the 1960s-1970s, updated with modern materials and movement.

Type
Field Watch / Tool Watch
Brand
Hamilton (Swatch Group). Luxury-Tier: Entry-level Swiss Luxury/Premium. Hamilton has a deep history as the primary supplier to the US military.
Movement
Manual-wind, Hamilton Calibre H-50 (based on ETA 2801-2), 21,600 vph, 80-hour power reserve, 17 jewels.
Dimensions
38mm diameter, 9.5mm thickness, 47mm lug-to-lug, 20mm lug width. It wears slightly larger due to the long, straight lugs.
Description
The quintessential field watch, the Khaki Field Mechanical is a masterclass in 'form follows function.' Its design is rooted in the watches worn by soldiers in the mid-20th century, emphasizing legibility and durability. The lack of a date window maintains symmetry, while the manual wind movement provides a tactile connection to historical watchmaking.
Key Features
H-50 movement with 80-hour reserve, faux-patina (Old Radium) lume, no-date dial, and signature long lugs. The sandblasted finish is a distinguishing trait of the Khaki Field line.
Dial Description
Matte black 'Dirty Dozen' style dial with 12 and 24-hour scales. Features triangular 'Old Radium' Super-LumiNova indices and syringe-style hour/minute hands with a sand-colored central seconds hand.
Case Material
316L Stainless Steel with a full matte sandblasted finish to prevent reflections (as per military requirements).
Crystal Type
Scratch-resistant sapphire crystal, slightly domed, no cyclops. Condition appears excellent in photo.
Bezel Details
Fixed, smooth bezel integrated into the case; matte sandblasted stainless steel.
Crown & Pushers
Lage push-pull crown for easy winding even with gloves; features the 'H' Hamilton logo.
Bracelet or Strap
Three-ring NATO-style nylon strap, black with an olive/khaki central stripe and matching matte sandblasted steel hardware.
Caseback Details
Solid screw-down stainless steel case back with Hamilton branding and technical specifications engraved.
Movement Type
Manual-wind, Hamilton Calibre H-50 (based on ETA 2801-2), 21,600 vph, 80-hour power reserve, 17 jewels.
Water Resistance
5 bar (50 meters). Suitable for light splashes and rain; not recommended for swimming or diving.
Origin & Provenance
Swiss Made. Movement is an in-house modified ETA (Swatch Group) produced in Switzerland.
Age Estimate
Modern production, likely circa 2019-present (the H-50 80-hour movement was introduced to this line in 2019).
Cultural Significance
Considered a 'must-have' for any serious collector, it represents the most accessible entry point into Swiss mechanical watchmaking with genuine military heritage.
Condition Notes
Very Good to Excellent. The case shows no major dings; the crystal is clear. The NATO strap shows minimal fraying around the pin holes.
Value Estimate
MSRP: $545 - $595. Pre-owned market: $350 - $450 depending on condition and presence of box/papers.
Care & Maintenance
Service every 5-7 years; do not overwind (stop when resistance is felt). Clean the nylon strap with mild soap and water. Keep away from strong magnets.
Similar Watches
Seiko 5 Sports Field (SRPG series), CWC G10 (British Military issue), Marathon General Purpose Mechanical (GPM). Differences include water resistance and movement longevity.
Interesting Facts
Hamilton originally an American company, was 'the watch of Railroad accuracy.' During WWII, they stopped consumer production entirely to produce over 1 million watches for the military.