Hamilton Khaki Aviation Takeoff Auto Chrono vs Nomos Orion 35 Ref. 340

In-Depth Comparison

The Hamilton Khaki Aviation Takeoff Auto Chrono and the Nomos Orion 35 Ref. 340 represent two compelling options in the luxury watch market. Both timepieces have earned devoted followings among collectors and enthusiasts, but they approach horology from distinctly different perspectives. Let's break down how these two watches compare across the key dimensions that matter most to buyers.

Heritage And Brand Prestige

Hamilton and Nomos are both highly respected names in watchmaking. The Hamilton Khaki Aviation Takeoff Auto Chrono comes from Switzerland, while the Nomos Orion 35 Ref. 340 originates from Germany. This particular Khaki Aviation reference was introduced in 2019, while this Orion reference debuted in 2003. The Hamilton Khaki Aviation Takeoff Auto Chrono is the newer release, potentially featuring more modern technology and finishing.

Movement And Mechanics

At the heart of the Hamilton Khaki Aviation Takeoff Auto Chrono beats the H-31 caliber offering a 60-hour power reserve running at 28,800 vph with 27 jewels. The Nomos Orion 35 Ref. 340 is powered by the Nomos Alpha with a 43-hour power reserve operating at 21,600 vph featuring 17 jewels. The Hamilton Khaki Aviation Takeoff Auto Chrono wins on power reserve with a 17-hour advantage, which means less frequent winding for those who rotate watches.

Dimensions And Wearability

The Hamilton Khaki Aviation Takeoff Auto Chrono features a 42.0mm case at 15.0mm thick with a 51.0mm lug-to-lug measurement, crafted in Stainless Steel. The Nomos Orion 35 Ref. 340 comes in at 35.0mm and 6.9mm thick with 44.5mm lug-to-lug, constructed from Stainless Steel. The Nomos Orion 35 Ref. 340 wears more compactly on the wrist, making it potentially more suitable for smaller wrists or those who prefer understated proportions. At 36g, the Nomos Orion 35 Ref. 340 is the lighter of the two.

Materials And Construction

The Hamilton Khaki Aviation Takeoff Auto Chrono uses a Sapphire crystal paired with a Fixed, tachymeter bezel, while the Nomos Orion 35 Ref. 340 features Sapphire crystal crystal with a Fixed polished bezel. On the wrist, the Hamilton Khaki Aviation Takeoff Auto Chrono comes on a Stainless steel bracelet with Folding clasp with push buttons, while the Nomos Orion 35 Ref. 340 is fitted with Horween genuine Shell Cordovan leather strap featuring Pin buckle.

Water Resistance And Capability

The Hamilton Khaki Aviation Takeoff Auto Chrono is rated to 100m / 328ft and the Nomos Orion 35 Ref. 340 to 30m / 98ft. For serious diving or water activities, the Hamilton Khaki Aviation Takeoff Auto Chrono offers a meaningful advantage.

Pricing And Value

At retail, the Hamilton Khaki Aviation Takeoff Auto Chrono lists for $2,095 compared to $2,020 for the Nomos Orion 35 Ref. 340. On the secondary market, the Hamilton Khaki Aviation Takeoff Auto Chrono trades around $1,595 while the Nomos Orion 35 Ref. 340 commands approximately $1,720.

The Verdict

Choosing between the Hamilton Khaki Aviation Takeoff Auto Chrono and the Nomos Orion 35 Ref. 340 ultimately comes down to personal priorities. For dress occasions and smaller wrists, the Nomos Orion 35 Ref. 340 is more versatile. Both watches are exceptional timepieces that will serve their owner well for generations. We recommend trying both on the wrist at an authorized dealer before making your final decision, as comfort and emotional connection are ultimately just as important as specifications.