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Clear out junk files and repair common Windows errorsFree Scan →Scan for outdated or missing drivers - takes under a minuteDriver Scan →Repair Windows errors before they cause bigger problemsFix Now →The Hamilton Khaki Field Auto Chrono H71706830 is a 44 mm automatic chronograph with a black dial, Hamilton’s H-21 movement, a 60-hour power reserve and 10 bar (100 m) water resistance. Its generous dimensions give it a bolder, more pilot-watch-like presence than a compact field watch. Hamilton lists the reference as “Past collection,” so any current purchase depends on a specific retailer or pre-owned listing.
What is the Hamilton Khaki Field Auto Chrono H71706830?
H71706830 is the black-dial, stainless-steel version of the Khaki Field Auto Chrono covered here. Hamilton lists an automatic H-21 caliber, sapphire crystal, an anti-reflective treatment and raised numerals coated with Super-LumiNova. The case is sandblasted, giving the watch a less glossy finish than polished steel.
The watch combines a field-inspired name and military styling with a chronograph layout. Fratello’s hands-on reviewer wrote that “The Hamilton Khaki Field Automatic Chronograph is a field watch on paper, but to me, the size, dial layout, hands, strap, and chronograph function make this a pilot’s watch.” That is one reviewer’s interpretation, not a universal description of how the watch looks or wears.
Hamilton Khaki Field Auto Chrono H71706830 specifications
| Specification | Hamilton-listed detail |
|---|---|
| Reference | H71706830 |
| Movement | Automatic H-21 caliber |
| Case material and finish | Stainless steel, sandblasted |
| Case diameter | 44 mm |
| Case thickness | 14.15 mm |
| Dial | Black, with raised Super-LumiNova-coated numerals |
| Crystal | Sapphire, with anti-reflective treatment |
| Power reserve | 60 hours |
| Water resistance | 10 bar (100 m) |
| Lug width | 22 mm |
These are manufacturer specifications, not measurements from a hands-on test. Hamilton’s product page is the reference for the model’s listed dimensions and technical details.
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- AUTOMATIC MOVEMENT: Swiss H-10 movement with 80-hour reserve ensures consistent performance. Experience precision that matches both daily tasks and adventures, a testament to Swiss craftsmanship in automatic timekeeping.
- WATER RESISTANT TO 100M: Withstands 10 bar (100 meters), ideal for swimming and outdoor pursuits. Perfect for those who demand resilient accessories that accompany them confidently on their explorative journeys.
- BUILT FOR ADVENTURE: Featuring a 42mm stainless steel case, a black dial and leather strap, this watch combines durability and functionality. With Super-LumiNova and sapphire crystal, it’s ready to tackle your outdoor challenges.
- PREMIUM MATERIALS: Leather strap with pin buckle offers day-long comfort. The clean lines and sophisticated design make it the perfect accessory for both casual wear and formal attire, merging functionality with fashion.
- RICH HERITAGE: Over a century of Hamilton's legacy in field watches, admired for precision. Originally designed for WWI soldiers, these timepieces combine rugged durability with history, showcasing Hamilton's commitment to quality and innovation.
Is the Hamilton Khaki Field Auto Chrono too big?
At 44 mm in diameter and 14.15 mm thick, it is a substantial watch. Those figures describe the case, but they do not by themselves determine fit: lug-to-lug length and an individual wrist’s shape also matter. The available hands-on account characterizes the watch as large, but does not provide a controlled wrist-size comparison or establish how it will fit a particular wearer.
If you want a compact field watch or an easy fit under a close-fitting cuff, the H71706830’s dimensions are a reason to try it on before buying. If you prefer a more assertive presence and like a chronograph dial, the same scale may be part of its appeal. Do not infer fit from diameter alone; check the watch on your wrist or compare its full dimensions, including lug-to-lug, with a watch you already wear.
Rank #2
- AUTOMATIC MOVEMENT: Swiss H-40 movement with 80-hour reserve ensures consistent performance. Experience precision that matches both daily tasks and adventures, a testament to Swiss craftsmanship in automatic timekeeping.
- WATER RESISTANT TO 50M: Withstands 5 bar (50 meters), ideal for swimming and outdoor pursuits. Perfect for those who demand resilient accessories that accompany them confidently on their explorative journeys.
- BUILT FOR ADVENTURE: Featuring a 40mm stainless steel case, a black dial and stainless steel bracelet, this watch combines durability and functionality. With Super-LumiNova and sapphire crystal, it’s ready to tackle your outdoor challenges.
- PREMIUM MATERIALS: Stainless steel bracelet with folding clasp offers day-long comfort. The clean lines and sophisticated design make it the perfect accessory for both casual wear and formal attire, merging functionality with fashion.
- RICH HERITAGE: Over a century of Hamilton's legacy in field watches, admired for precision. Originally designed for WWI soldiers, these timepieces combine rugged durability with history, showcasing Hamilton's commitment to quality and innovation.
What do the movement and water-resistance figures mean?
Hamilton specifies a 60-hour power reserve for the automatic H-21 caliber. In practical terms, a fully wound watch can continue running for up to that stated period off the wrist, though actual running time depends on the watch’s condition and use. The figure is a manufacturer specification, not a measured result from the cited review.
The listed water resistance is 10 bar (100 m). This is the manufacturer’s rating; it should not be read as a recommendation to operate the chronograph underwater or as a substitute for checking the watch’s seals and condition, particularly on a pre-owned example.
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- AUTOMATIC MOVEMENT: Swiss H-10 movement with 80-hour reserve ensures consistent performance. Experience precision that matches both daily tasks and adventures, a testament to Swiss craftsmanship in automatic timekeeping.
- WATER RESISTANT TO 100M: Withstands 10 bar (100 meters), ideal for swimming and outdoor pursuits. Perfect for those who demand resilient accessories that accompany them confidently on their explorative journeys.
- BUILT FOR ADVENTURE: Featuring a 38mm stainless steel case, a black dial and leather strap, this watch combines durability and functionality. With Super-LumiNova and sapphire crystal, it’s ready to tackle your outdoor challenges.
- PREMIUM MATERIALS: Leather strap with pin buckle offers day-long comfort. The clean lines and sophisticated design make it the perfect accessory for both casual wear and formal attire, merging functionality with fashion.
- RICH HERITAGE: Over a century of Hamilton's legacy in field watches, admired for precision. Originally designed for WWI soldiers, these timepieces combine rugged durability with history, showcasing Hamilton's commitment to quality and innovation.
Straps and sizing
Hamilton lists a 22 mm lug width, which gives buyers a clear starting point when looking for another strap. Before ordering, confirm that the strap’s attachment and dimensions suit this exact watch; matching width alone does not guarantee compatibility. A replacement strap can change the watch’s appearance, but it will not make the 44 mm case smaller.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Is the H71706830 discontinued, and can you still buy one?
Hamilton’s official product page labels the H71706830 “Past collection.” That means the reference is no longer presented as part of the current collection on that page; it does not prove that every retailer has stopped selling new-old-stock examples or that pre-owned watches are unavailable. Hamilton’s page is not a live inventory feed, so check the exact listing and seller before making a purchase.
Rank #4
- AUTOMATIC MOVEMENT: Swiss H-10 movement with 80-hour reserve ensures consistent performance. Experience precision that matches both daily tasks and adventures, a testament to Swiss craftsmanship in automatic timekeeping.
- WATER RESISTANT TO 100M: Withstands 10 bar (100 meters), ideal for swimming and outdoor pursuits. Perfect for those who demand resilient accessories that accompany them confidently on their explorative journeys.
- BUILT FOR ADVENTURE: Featuring a 42mm stainless steel case, a black dial and leather strap, this watch combines durability and functionality. With Super-LumiNova and sapphire crystal, it’s ready to tackle your outdoor challenges.
- PREMIUM MATERIALS: Leather strap with pin buckle offers day-long comfort. The clean lines and sophisticated design make it the perfect accessory for both casual wear and formal attire, merging functionality with fashion.
- RICH HERITAGE: Over a century of Hamilton's legacy in field watches, admired for precision. Originally designed for WWI soldiers, these timepieces combine rugged durability with history, showcasing Hamilton's commitment to quality and innovation.
For a pre-owned watch, verify that the listing identifies reference H71706830 and gives clear information about condition, included accessories, return terms and warranty status. These details can vary by seller and individual watch.
What did the watch cost at launch?
Monochrome Watches reported 2021 launch prices of CHF 1,695, EUR 1,645 and USD 1,745. These are historical launch figures, not current retail prices or a guide to today’s resale value. No current price is established here; check the particular listing and currency for any watch you are considering.
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
