A good everyday watch should be comfortable enough to wear regularly, versatile enough for different occasions, and interesting enough that you never get tired of looking at it. Hamilton’s Khaki Field Murph has built a following around those qualities, combining traditional field-watch styling with a memorable connection to Christopher Nolan’s Interstellar.
Price: CHF 870.00 ($1,048)
Where to Buy: Hamilton
The Hamilton Khaki Field Murph 38mm has a new blue-to-black gradient dial, giving the Interstellar-linked watch a different look. It retains the 38mm case size and H-10 automatic movement. The cathedral-style hands, vintage Arabic numerals, and stainless-steel case also carry over, preserving the Murph’s recognizable design.
Inside is Hamilton’s H-10 automatic movement with an 80-hour power reserve. Combined with its compact proportions and black leather strap, the new Murph offers an appealing option for buyers looking for a Swiss mechanical watch they can enjoy wearing every day.
A blue dial that changes the Murph’s character
The blue-to-black gradient adds color while preserving the Murph’s cathedral-shaped hands and slightly domed Arabic numerals.
Hamilton says the design draws inspiration from an interstellar comet, particularly the glow of ionized gases against the darkness of space. The dial also features a fine-grained texture that adds depth to the gradient finish.

The effect gives the watch a different personality without changing its familiar layout. Cathedral-style hands and slightly domed Arabic numerals preserve the vintage appearance, while the darker outer edge frames the brighter center.
Hamilton lists Super-LumiNova among the watch’s features. A sapphire crystal with an anti-reflective coating protects the dial and helps reduce distracting reflections.
Visually, the blue gradient contrasts with the Murph’s understated stainless-steel case, adding color to an otherwise traditional field-watch design.
The Interstellar connection is still part of its appeal
The Murph owes its name to Christopher Nolan’s 2014 film Interstellar, where a Hamilton watch becomes an important part of the relationship between astronaut Joseph Cooper and his daughter, Murphy.
In the film, the watch serves a purpose far beyond telling time. It becomes central to the story’s exploration of family, distance, and communication across time.

Hamilton originally created the watch for the production before introducing a commercial version in 2019. That first model featured a 42mm stainless-steel case and a black dial, closely following the watch’s appearance in the movie.
In 2022, Hamilton introduced a smaller 38mm version, making the design available in proportions that appeal to buyers who prefer more compact watches.
The H70405740 continues that development with a dial inspired by space rather than a direct recreation of the movie prop. It remains unmistakably a Murph, but the blue finish gives it a character of its own.
For Interstellar fans, the connection provides a compelling reason to consider the watch. For everyone else, its appeal rests on the classic design and the mechanical movement beneath the dial.
The H-10 movement delivers an 80-hour power reserve
Hamilton equips the Murph with its H-10 automatic movement, which uses the motion of the wearer’s wrist to wind its mainspring.
The movement provides an 80-hour power reserve when fully wound. That gives owners the flexibility to remove the watch for a weekend without necessarily having to reset the time when they wear it again.

For someone who rotates between several watches, this is particularly useful. The Murph can spend a few days off the wrist while retaining enough stored energy to keep running.
The H-10 also features a Nivachron balance spring, designed to reduce the movement’s sensitivity to magnetic fields. This helps address one of the environmental factors that can affect mechanical timekeeping.
An exhibition caseback reveals the movement inside, allowing owners to appreciate the mechanics that power the watch. It is a detail that adds to the experience of owning an automatic timepiece, particularly for buyers moving from quartz watches.
With no disposable battery and no charging cable, the Murph offers the traditional experience of a mechanical wristwatch, supported by a power reserve that suits modern wearing habits.
Classic 38mm proportions and a black leather strap
The H70405740 features a 38mm stainless-steel case measuring 11.1mm thick, giving it proportions that work well with the Murph’s vintage-inspired design.

The case is compact enough to appeal to buyers who find larger sports watches cumbersome, while retaining the presence expected from a traditional field watch.
Hamilton pairs it with a black calf-leather strap featuring contrasting white stitching. The combination complements the blue dial and gives the watch a slightly dressier appearance than a typical field watch fitted with a canvas or nylon strap.
A conventional pin buckle secures the strap, while the 20mm lug width allows owners to explore alternative strap options.
The watch also features 100-meter water resistance, providing useful protection against everyday water exposure. Owners will still want to take care of the leather strap, particularly around prolonged moisture.

The stainless-steel case and sapphire crystal are practical specifications for a daily-wear watch. From a styling perspective, the restrained case and leather strap suggest a design that could bridge casual and dressier outfits; comfort and on-wrist fit have not been tested.
Who is the blue-dial Murph for?
The Hamilton Khaki Field Murph 38mm H70405740 offers a distinctive take on one of the brand’s most recognizable modern watches. Its blue-to-black dial introduces a new visual element while retaining the details that made the original Murph popular.
The H-10 automatic movement, 80-hour power reserve, and 38mm case provide a strong foundation for everyday ownership. The black leather strap and traditional field-watch styling also make it easy to incorporate into different wardrobes.

Its connection to Interstellar remains an important part of the story, but this version has enough character to appeal to buyers who simply appreciate a well-designed mechanical watch.
The blue-dial Murph is particularly well suited to Interstellar fans, Hamilton collectors, and anyone looking for a Swiss automatic watch with classic proportions and a distinctive dial.

Price: CHF 870.00 ($1,048)
Where to Buy: Hamilton
For someone considering a first mechanical watch or adding another everyday piece to a collection, the H70405740 brings together an established design, practical movement, and a fresh interpretation of the Murph’s cinematic heritage.