Hamilton Jazzmaster Open Heart Auto 40mm Brown vs Tissot Heritage Navigator Chronograph GMT

In-Depth Comparison

The Hamilton Jazzmaster Open Heart Auto 40mm Brown and the Tissot Heritage Navigator Chronograph GMT 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 Jazzmaster reference was introduced in 2022, while this Heritage reference debuted in 2018. The Hamilton Jazzmaster Open Heart Auto 40mm Brown is the newer release, potentially featuring more modern technology and finishing.

Movement And Mechanics

At the heart of the Hamilton Jazzmaster Open Heart Auto 40mm Brown beats the H-10 caliber offering a 80-hour power reserve running at 21,600 vph with 25 jewels. The Tissot Heritage Navigator Chronograph GMT is powered by the ETA 2893-3 with a 42-hour power reserve operating at 28,800 vph featuring 21 jewels. The Hamilton Jazzmaster Open Heart Auto 40mm Brown wins on power reserve with a 38-hour advantage, which means less frequent winding for those who rotate watches.

Dimensions And Wearability

The Hamilton Jazzmaster Open Heart Auto 40mm Brown features a 40.0mm case at 10.5mm thick with a 47.0mm lug-to-lug measurement, crafted in Stainless Steel. The Tissot Heritage Navigator Chronograph GMT comes in at 43.0mm and 13.2mm thick with 50.0mm lug-to-lug, constructed from Stainless Steel. The Hamilton Jazzmaster Open Heart Auto 40mm Brown wears more compactly on the wrist, making it potentially more suitable for smaller wrists or those who prefer understated proportions. At 65g, the Hamilton Jazzmaster Open Heart Auto 40mm Brown is the lighter of the two.

Materials And Construction

The Hamilton Jazzmaster Open Heart Auto 40mm Brown uses a Sapphire crystal paired with a Fixed bezel, while the Tissot Heritage Navigator Chronograph GMT features Sapphire crystal with a Fixed, polished with 24-hour markings bezel. On the wrist, the Hamilton Jazzmaster Open Heart Auto 40mm Brown comes on a Leather strap with Buckle, while the Tissot Heritage Navigator Chronograph GMT is fitted with Black leather strap featuring Folding clasp.

Water Resistance And Capability

The Hamilton Jazzmaster Open Heart Auto 40mm Brown is rated to 50m / 164ft and the Tissot Heritage Navigator Chronograph GMT to 100m / 328ft. For water sports and diving, the Tissot Heritage Navigator Chronograph GMT provides superior depth capability.

Pricing And Value

At retail, the Hamilton Jazzmaster Open Heart Auto 40mm Brown lists for $895 compared to $975 for the Tissot Heritage Navigator Chronograph GMT. On the secondary market, the Hamilton Jazzmaster Open Heart Auto 40mm Brown trades around $750 while the Tissot Heritage Navigator Chronograph GMT commands approximately $750.

The Verdict

Choosing between the Hamilton Jazzmaster Open Heart Auto 40mm Brown and the Tissot Heritage Navigator Chronograph GMT ultimately comes down to personal priorities. For dress occasions and smaller wrists, the Hamilton Jazzmaster Open Heart Auto 40mm Brown 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.