Hamilton Khaki Aviation Takeoff Auto Chrono vs Seiko Prospex Speedtimer SSC813

In-Depth Comparison

The Hamilton Khaki Aviation Takeoff Auto Chrono and the Seiko Prospex Speedtimer SSC813 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 Seiko are both highly respected names in watchmaking. The Hamilton Khaki Aviation Takeoff Auto Chrono comes from Switzerland, while the Seiko Prospex Speedtimer SSC813 originates from Japan. This particular Khaki Aviation reference was introduced in 2019, while this Prospex reference debuted in 2021. The Seiko Prospex Speedtimer SSC813 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 Seiko Prospex Speedtimer SSC813 is powered by the Seiko V192 with a 168-hour power reserve operating at 32,768 vph. The Seiko Prospex Speedtimer SSC813 wins on power reserve with a 108-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 Seiko Prospex Speedtimer SSC813 comes in at 39.0mm and 13.3mm thick with 46.0mm lug-to-lug, constructed from Stainless Steel. The Seiko Prospex Speedtimer SSC813 wears more compactly on the wrist, making it potentially more suitable for smaller wrists or those who prefer understated proportions. At 147g, the Seiko Prospex Speedtimer SSC813 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 Seiko Prospex Speedtimer SSC813 features Sapphire crystal with a Fixed tachymeter 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 Seiko Prospex Speedtimer SSC813 is fitted with Stainless steel bracelet featuring Three-fold clasp.

Water Resistance And Capability

The Hamilton Khaki Aviation Takeoff Auto Chrono is rated to 100m / 328ft and the Seiko Prospex Speedtimer SSC813 to 100m / 328ft. Both watches share the same water resistance rating, making them equally suited for aquatic activities.

Pricing And Value

At retail, the Hamilton Khaki Aviation Takeoff Auto Chrono lists for $2,095 compared to $400 for the Seiko Prospex Speedtimer SSC813. The Seiko Prospex Speedtimer SSC813 is the more accessible option at MSRP, saving $1,695 at retail. On the secondary market, the Hamilton Khaki Aviation Takeoff Auto Chrono trades around $1,595 while the Seiko Prospex Speedtimer SSC813 commands approximately $350.

The Verdict

Choosing between the Hamilton Khaki Aviation Takeoff Auto Chrono and the Seiko Prospex Speedtimer SSC813 ultimately comes down to personal priorities. For dress occasions and smaller wrists, the Seiko Prospex Speedtimer SSC813 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.