Hamilton Jazzmaster Open Heart Auto 42mm vs Tissot Seastar 2000 Professional Blue

In-Depth Comparison

The Hamilton Jazzmaster Open Heart Auto 42mm and the Tissot Seastar 2000 Professional Blue 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 2017, while this Seastar reference debuted in 2022. The Tissot Seastar 2000 Professional Blue is the newer release, potentially featuring more modern technology and finishing.

Movement And Mechanics

At the heart of the Hamilton Jazzmaster Open Heart Auto 42mm beats the H-10 caliber offering a 80-hour power reserve running at 21,600 vph with 25 jewels. The Tissot Seastar 2000 Professional Blue is powered by the Powermatic 80 (ETA C07.111) with a 80-hour power reserve operating at 21,600 vph featuring 23 jewels. Both watches offer identical power reserves, making them equally practical for daily rotation.

Dimensions And Wearability

The Hamilton Jazzmaster Open Heart Auto 42mm features a 42.0mm case at 11.7mm thick with a 50.5mm lug-to-lug measurement, crafted in Stainless Steel. The Tissot Seastar 2000 Professional Blue comes in at 46.0mm and 15.0mm thick with 52.5mm lug-to-lug, constructed from Stainless Steel. The Hamilton Jazzmaster Open Heart Auto 42mm wears more compactly on the wrist, making it potentially more suitable for smaller wrists or those who prefer understated proportions. At 78g, the Hamilton Jazzmaster Open Heart Auto 42mm is the lighter of the two.

Materials And Construction

The Hamilton Jazzmaster Open Heart Auto 42mm uses a Sapphire crystal paired with a Fixed, polished bezel, while the Tissot Seastar 2000 Professional Blue features Sapphire crystal with a Unidirectional rotating, ceramic insert bezel. On the wrist, the Hamilton Jazzmaster Open Heart Auto 42mm comes on a Brown calf leather strap with Pin buckle, while the Tissot Seastar 2000 Professional Blue is fitted with Stainless steel bracelet featuring Folding clasp with diver extension.

Water Resistance And Capability

The Hamilton Jazzmaster Open Heart Auto 42mm is rated to 50m / 164ft and the Tissot Seastar 2000 Professional Blue to 600m / 1969ft. For water sports and diving, the Tissot Seastar 2000 Professional Blue provides superior depth capability.

Pricing And Value

At retail, the Hamilton Jazzmaster Open Heart Auto 42mm lists for $1,045 compared to $1,050 for the Tissot Seastar 2000 Professional Blue. On the secondary market, the Hamilton Jazzmaster Open Heart Auto 42mm trades around $795 while the Tissot Seastar 2000 Professional Blue commands approximately $850.

The Verdict

Choosing between the Hamilton Jazzmaster Open Heart Auto 42mm and the Tissot Seastar 2000 Professional Blue ultimately comes down to personal priorities. For diving and water sports, the Tissot Seastar 2000 Professional Blue is the stronger choice. 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.