Seiko 5 Sports GMT SSK001 vs Tissot Heritage Navigator Chronograph GMT

SpecificationSeiko 5 Sports GMT SSK001Tissot Heritage Navigator Chronograph GMT
BrandSeikoTissot
Collection5 SportsHeritage
ReferenceSSK001T0714301605100
CategoryGMTGMT
Movement TypeAutomaticAutomatic
CaliberSeiko 4R34ETA 2893-3
Power Reserve41h42h
Frequency21,600 vph28,800 vph
Case Diameter42.5mm43.0mm
Case Thickness13.5mm13.2mm
Case MaterialStainless SteelStainless Steel
CrystalHardlexSapphire
Water Resistance100m / 328ft100m / 328ft
Weight165g90g
MSRP$475$975
Market Price$425$750

In-Depth Comparison

The Seiko 5 Sports GMT SSK001 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

Seiko and Tissot are both highly respected names in watchmaking. The Seiko 5 Sports GMT SSK001 comes from Japan, while the Tissot Heritage Navigator Chronograph GMT originates from Switzerland. This particular 5 Sports reference was introduced in 2023, while this Heritage reference debuted in 2018. The Seiko 5 Sports GMT SSK001 is the newer release, potentially featuring more modern technology and finishing.

Movement And Mechanics

At the heart of the Seiko 5 Sports GMT SSK001 beats the Seiko 4R34 caliber offering a 41-hour power reserve running at 21,600 vph with 24 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 Tissot Heritage Navigator Chronograph GMT wins on power reserve with a 1-hour advantage, which means less frequent winding for those who rotate watches.

Dimensions And Wearability

The Seiko 5 Sports GMT SSK001 features a 42.5mm case at 13.5mm thick with a 46.0mm 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. Both watches are virtually identical in diameter, so wrist presence will be comparable. At 90g, the Tissot Heritage Navigator Chronograph GMT is the lighter of the two.

Materials And Construction

The Seiko 5 Sports GMT SSK001 uses a Hardlex crystal paired with a Bidirectional rotating 24-hour bezel, while the Tissot Heritage Navigator Chronograph GMT features Sapphire crystal with a Fixed, polished with 24-hour markings bezel. On the wrist, the Seiko 5 Sports GMT SSK001 comes on a Stainless steel bracelet with Three-fold clasp, while the Tissot Heritage Navigator Chronograph GMT is fitted with Black leather strap featuring Folding clasp.

Water Resistance And Capability

The Seiko 5 Sports GMT SSK001 is rated to 100m / 328ft and the Tissot Heritage Navigator Chronograph GMT to 100m / 328ft. Both watches share the same water resistance rating, making them equally suited for aquatic activities.

Pricing And Value

At retail, the Seiko 5 Sports GMT SSK001 lists for $475 compared to $975 for the Tissot Heritage Navigator Chronograph GMT. On the secondary market, the Seiko 5 Sports GMT SSK001 trades around $425 while the Tissot Heritage Navigator Chronograph GMT commands approximately $750.

The Verdict

Choosing between the Seiko 5 Sports GMT SSK001 and the Tissot Heritage Navigator Chronograph GMT 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.