The Hamilton Khaki Field Murph at the center of Interstellar-watch searches is the 42 mm H70605731. It is a commercial recreation of the custom prop worn by Murph Cooper in the 2014 film—not the original prop. Hamilton’s 38 mm Murph is a separate reference, H70405730.
Which Hamilton watch is in Interstellar?
It is the Hamilton Khaki Field Murph. The exact 42 mm model covered here is reference H70605731. Hamilton says the watch first appeared in the film as a custom prop; the 42 mm commercial version became available in 2019, five years after the film’s release. Hamilton’s September 19, 2024 press release recounts that product history.
The commercial watch preserves the film association without being the screen-used object. Hamilton’s product page calls it a “faithful recreation” and uses promotional language describing it as the moment fans had been waiting for; that is the brand’s characterization, not an independent assessment. Hamilton’s product listing also notes that “Eureka” is spelled in Morse code on the seconds hand, a reference to Murph’s discovery in the story.
What are the 42 mm Murph’s specifications?
These are Hamilton’s published specifications for H70605731, rather than independently measured results. The 80-hour power reserve is the manufacturer’s stated figure.
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#1 Best Overall
- 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.
| Specification | Hamilton H70605731 |
|---|---|
| Case | Stainless steel; 42 mm diameter, 11 mm thickness, 53 mm lug-to-lug |
| Lug width | 22 mm |
| Dial and crystal | Black dial; sapphire crystal |
| Movement | H-10 automatic |
| Power reserve | 80 hours, as stated by Hamilton |
| Balance spring | Nivachron |
| Lume | Super-LumiNova |
| Water resistance | 10 bar (100 m), as rated by Hamilton |
| Case back | Open |
| Listed strap | Cow leather, reference H6003571001 |
As an automatic watch, it winds through movement of the wearer’s wrist. If left unworn, its stated reserve indicates how long it can continue running before it needs winding again, subject to the watch’s condition and use. Hamilton describes the sapphire crystal as scratch-resistant and says the Nivachron balance spring is intended to resist magnetic fields and reduce the effects of temperature changes and shocks; those are the manufacturer’s descriptions of the materials’ intended performance.
How does the 42 mm Murph compare with the 38 mm?
The 38 mm Murph, reference H70405730, keeps the black dial and the larger model’s core aesthetic. The practical differences in the published dimensions are case diameter, lug-to-lug length, and strap width.
Rank #2
- 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 white 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.
| Specification | 42 mm H70605731 | 38 mm H70405730 |
|---|---|---|
| Case diameter | 42 mm | 38 mm |
| Lug-to-lug | 53 mm | Not stated on the cited Hamilton product page |
| Thickness | 11 mm | 11.1 mm |
| Lug width | 22 mm | 20 mm |
| Movement and reserve | H-10 automatic; 80 hours, Hamilton specification | H-10 automatic; 80 hours, Hamilton specification |
| Crystal | Sapphire | Sapphire |
| Water resistance | 10 bar (100 m), Hamilton rating | 10 bar (100 m), Hamilton rating |
Sources: Hamilton H70605731 listing and Hamilton H70405730 listing.
Choose by how the case dimensions suit your wrist and how much dial presence you want. The 42 mm model has 22 mm lugs; the 38 mm model’s 20 mm lug width means its straps are not compatible by width with the 42 mm watch. Check the strap width before buying a replacement.
Rank #3
- 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.
What does the available hands-on fit report tell you?
One reviewer at Hodinkee says the white-dial 38 mm variation wore larger than its 38 mm diameter and 11.1 mm thickness might suggest, despite its 44.7 mm lug-to-lug measurement. That is a subjective report about a related 38 mm watch, not a finding about the black-dial 42 mm H70605731. Read the Hodinkee hands-on article.
For the 42 mm model, Hamilton lists 53 mm lug-to-lug, a dimension that can help compare its footprint with watches you already wear. The cited sources do not establish a universal wrist-size cutoff or provide a direct hands-on fit assessment of this exact reference.
Quick Recap
Best Value
- MANUAL WINDING: Designed for precision, this hand-wound watch is powered by the exclusive H-50 movement, offering an extended 80-hour power reserve for reliable performance.
- 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 38mm stainless steel case, a black dial and textile strap, this watch combines durability and functionality. With Super-LumiNova and sapphire crystal, it’s ready to tackle your outdoor challenges.
- PREMIUM MATERIALS: Textile 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.
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.
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