Hamilton Khaki Aviation Takeoff Auto Chrono vs Tissot PRX Automatic Chronograph T137.427.11.011.00

SpecificationHamilton Khaki Aviation Takeoff Auto ChronoTissot PRX Automatic Chronograph T137.427.11.011.00
BrandHamiltonTissot
CollectionKhaki AviationPRX
ReferenceH76726130T137.427.11.011.00
CategoryChronographChronograph
Movement TypeAutomaticAutomatic
CaliberH-31ETA A05.H31
Power Reserve60h60h
Frequency28,800 vph28,800 vph
Case Diameter42.0mm42.0mm
Case Thickness15.0mm14.2mm
Case MaterialStainless SteelStainless Steel
CrystalSapphireSapphire
Water Resistance100m / 328ft100m / 328ft
Weight170g172g
MSRP$2,095$1,695
Market Price$1,595$1,400

In-Depth Comparison

The Hamilton Khaki Aviation Takeoff Auto Chrono and the Tissot PRX Automatic Chronograph T137.427.11.011.00 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 Tissot are both highly respected names in watchmaking. Both watches hail from Switzerland, benefiting from the region's deep horological tradition. This particular Khaki Aviation reference was introduced in 2019, while this PRX reference debuted in 2023. The Tissot PRX Automatic Chronograph T137.427.11.011.00 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 Tissot PRX Automatic Chronograph T137.427.11.011.00 is powered by the ETA A05.H31 with a 60-hour power reserve operating at 28,800 vph featuring 25 jewels. Both watches offer identical power reserves, making them equally practical for daily rotation.

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 Tissot PRX Automatic Chronograph T137.427.11.011.00 comes in at 42.0mm and 14.2mm thick with 48.0mm lug-to-lug, constructed from Stainless Steel. Both watches are virtually identical in diameter, so wrist presence will be comparable. At 170g, the Hamilton Khaki Aviation Takeoff Auto Chrono 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 Tissot PRX Automatic Chronograph T137.427.11.011.00 features Sapphire 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 Tissot PRX Automatic Chronograph T137.427.11.011.00 is fitted with Stainless steel integrated bracelet featuring Fold-over clasp.

Water Resistance And Capability

The Hamilton Khaki Aviation Takeoff Auto Chrono is rated to 100m / 328ft and the Tissot PRX Automatic Chronograph T137.427.11.011.00 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 $1,695 for the Tissot PRX Automatic Chronograph T137.427.11.011.00. On the secondary market, the Hamilton Khaki Aviation Takeoff Auto Chrono trades around $1,595 while the Tissot PRX Automatic Chronograph T137.427.11.011.00 commands approximately $1,400.

The Verdict

Choosing between the Hamilton Khaki Aviation Takeoff Auto Chrono and the Tissot PRX Automatic Chronograph T137.427.11.011.00 ultimately comes down to personal priorities. 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.