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Hamilton Khaki Field Auto 42mm Unisex Watch Green
Ref. H70605560
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Stepping up in Hamilton's range
The Khaki Field traces its ancestry to the military-issue watches Hamilton supplied to American and Allied forces through the Second World War and beyond — utilitarian instruments designed to be read fast and trusted absolutely. The 42mm brushed steel case and legible green dial carry that brief forward, but the movement inside is the meaningful update: the H-10 calibre is Hamilton's own automatic, developed with an 80-hour power reserve and an anti-magnetic Nivachron balance spring that resists the kind of interference a field watch is likely to encounter. Three days of reserve means a watch taken off for the weekend returns to work on Monday without winding. On the wrist it reads purposeful without being aggressive — the sunray green dial with its snailing texture on the hour ring gives it enough visual character to work away from a uniform, while the syringe hands and red-tipped seconds keep legibility absolutely intact. The caseback is exhibition glass, so the movement is visible, though the more useful daily detail is the 22mm lug width and the brown calf strap: at 53mm lug-to-lug the watch sits long but at 11mm sits flat, and a strap this width in good leather will shape itself to the wrist quickly. The date at three sits without crowding a dial that was drawn for clarity first.
- Reference
- H70605560
- Brand
- Hamilton
- Collection
- Khaki Field
- Case size
- 42mm
- Case thickness
- 11mm
- Lug width
- 22mm
- Case material
- Stainless steel
- Case shape
- Round
- Dial
- Green
- Crystal
- Sapphire
- Movement
- Automatic
- Calibre
- H-10
- Functions
- Date
- Water resistance
- 100m
- Bracelet / strap
- Leather strap
- Strap colour
- Brown
- Clasp
- Buckle
- Lume
- Super-LumiNova
- Retailer
- Mappin & Webb
Additional specifications
- Lug-to-lug
- 53mm
- Power reserve
- 80 hours
Learn more about Hamilton
Hamilton was founded in Lancaster, Pennsylvania in 1892, and its early business was the railroad. American rail accidents caused by unsynchronised timekeeping had forced the industry to adopt strict standards, and Hamilton built pocket watches accurate enough to meet them — earning the description the watch of railroad accuracy.
Two things then defined it. The first was war: Hamilton supplied over a million watches to American forces in the Second World War, suspending civilian production entirely, and its marine chronometers were fitted across the US Navy.
The second was electricity. The Ventura of 1957 was the first battery-powered electric wristwatch, and its asymmetric shield-shaped case, designed by Richard Arbib, looked like nothing before it. Elvis Presley wore one in Blue Hawaii.
Hamilton's cinematic presence is unusually deep — over five hundred films — and includes the watches designed for 2001: A Space Odyssey with Stanley Kubrick, and appearances in Interstellar and Tenet.
American manufacturing ended in 1969 as the quartz crisis approached. The brand was acquired by the Swiss and is now part of the Swatch Group, based in Biel, where it occupies a distinctive position: American design heritage, Swiss production, and ETA movements with long power reserves at accessible prices. The Khaki Field, descended from the wartime issue watches, is its best-known line.
- 1892
- Founded in Lancaster, Pennsylvania.
- 1918
- Supplies the first US airmail flights.
- 1957
- The Ventura is the first electric wristwatch.
- 1968
- Designs the watches for 2001: A Space Odyssey.
- 1974
- Becomes Swiss-owned; now part of the Swatch Group.
Also in 7 collections
This watch appears in the Hamilton Khaki Field range (50), Back in Stock (3,988), Stainless Steel Watches (2,814), Automatic Watches (1,546), Leather Strap Watches (928), Sports Watches (700) and Green Dial Watches (383).
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What the specifications mean
A slim watch on leather, made for wearing with a shirt.
Strengths
- 100m water resistance covers swimming and watersports
- Sapphire crystal, which resists scratching
- 80-hour reserve survives a weekend off the wrist
- Luminous hands and markers for low light
- Sits in the lower half of Hamilton's range as we list it
Worth knowing
- Leather does not suit regular contact with water
Hamilton Khaki Field Auto alternatives
Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.
| Specification | H70605560 | T1418071705100 | 996983 47 15 20 |
|---|---|---|---|
| Price | £640 | £655 | £509 |
| Case size | 42mm | 41mm | 41.5mm |
| Water resistance | 100m | 100m | 100m |
| Movement | Automatic | Automatic | Automatic |
| Strap | Leather strap | Silicone strap | Stainless steel bracelet |
| Power reserve | 80 hours | 80 hours | 44 hours |
| This watch | Closely matched |
|
Your new watch
Frequently asked questions, and things you should know about this watch
Can I swim with it?
Yes. At 100m it is rated for swimming and snorkelling, though not for diving.
Water resistance explainedWill the glass scratch?
Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.
Sapphire, mineral and acrylic comparedDoes it need a battery?
No. It is automatic — the motion of your wrist winds it, and there is no cell to replace.
Quartz, automatic and solar comparedHow long does it run for when it's not worn?
About 80 hours fully wound — enough to sit off the wrist over a weekend and still be running.
What size strap does it take?
22mm. Any strap of that width will fit, and on most modern watches quick-release bars make the swap a two-minute job with no tools.
Will it fit my wrist?
Lug-to-lug is 53mm, which suits wrists from roughly 17.5cm (7 inches) upward.
Lug-to-lug decides fit more than case diameter does.
How to size a watch to your wristIs it a men's or women's watch?
Listed as unisex, and at this size it suits any wrist that takes the dimensions.
Cheapest place to buy
Both Mappin & Webb and Goldsmiths list it at £640, so choose on delivery and warranty rather than price.
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