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Hamilton Khaki Aviation 42mm Mens Watch
Ref. H64615135
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Stepping up in the same colour and case shape
The Khaki Aviation earned a place in popular memory when it appeared on Matthew McConaughey's wrist throughout Interstellar, and Hamilton leaned into that association — this is the watch the film's fans know as the Cooper. The connection is not merely cosmetic: the pilot brief runs through the design, from the day display at 12 o'clock and the date at 6 to the Nivachron hairspring inside the H-40, which resists magnetic fields of the kind that cluster around cockpit instruments and, increasingly, everyday electronics. At 11.85mm thick it wears closer to the wrist than most tool watches of this rating, and the sunray black dial shifts between near-matte and faintly lustrous depending on the angle of the light. The 80-hour power reserve means a watch left on the nightstand Friday evening is still running Monday morning. The exhibition caseback makes that movement worth looking at.
- Reference
- H64615135
- Brand
- Hamilton
- Case size
- 42mm
- Case thickness
- 11.85mm
- Lug width
- 20mm
- Case material
- Stainless steel
- Case shape
- Round
- Dial
- Black
- Crystal
- Sapphire
- Movement
- Automatic
- Calibre
- H-40
- Functions
- Day-date
- Water resistance
- 100m
- Bracelet / strap
- Stainless steel bracelet
- Strap colour
- Silver
- Clasp
- Folding clasp
- Lume
- Super-LumiNova
- Retailer
- Goldsmiths
Additional specifications
- Power reserve
- 80 hours
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.
Will the glass scratch?
Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.
Does it need a battery?
No. It is automatic — the motion of your wrist winds it, and there is no cell to replace.
How 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?
20mm. 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.
Is it a men's or women's watch?
Listed as men's.
Cheapest place to buy
Goldsmiths is the only UK retailer we track stocking this reference, so there is nothing to compare it against today.
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