Tennis player Novak Djokovic spotted wearing a Seiko

When Novak Djokovic claimed his fifth Wimbledon title in 2019, the watch on his wrist was not a six-figure Swiss tourbillon — it was the Seiko Astron GPS Solar SSH003J1, a titanium sports watch retailing under £2,000. The sighting drew considerable attention precisely because of that contrast: a world number one athlete, at the pinnacle of his sport, choosing a Japanese quartz watch over the Swiss prestige pieces that dominate professional sport sponsorship.

The Seiko Astron SSH003J1 sits at the upper tier of the Astron GPS Solar collection, which Seiko relaunched in 2012 as the world's first GPS solar watch — a direct heir to the original 1969 Seiko Astron, the world's first quartz watch. The SSH003J1 houses Seiko's Caliber 5X53, a high-torque GPS-synchronized movement that acquires satellite signals in as little as three seconds, automatically adjusts to the correct time zone, and self-corrects to within ±1 second accuracy. Power comes entirely from light via Seiko's proprietary solar cell, with a full charge delivering roughly six months of operation. The case is constructed from Seiko's titanium alloy — significantly lighter than steel — with a hardlex-treated sapphire crystal and 10-bar water resistance. The bracelet, also titanium, is fitted with a three-fold clasp and fine-adjustment links.

Among collectors, the Astron GPS Solar line is respected for genuine technical substance rather than heritage cachet. The SSH003J1 in particular — with its 43.5mm cushion case, dark blue dial, and integrated bracelet — reads as a serious sports instrument rather than a dress watch in sporty clothing. It is a reference that watch enthusiasts discuss on its own merits, independent of celebrity association.

Djokovic has held a formal brand ambassadorship with Seiko since 2017, making this sighting consistent with a commercial relationship. That said, wearing the watch courtside at a Grand Slam final rather than limiting it to controlled marketing appearances suggests the athlete has genuine comfort with the product. Seiko has leaned into the association, using Djokovic prominently across Astron campaigns globally.

On the grey market, the Seiko Astron SSH003J1 trades close to or slightly below retail — reflecting healthy supply and Seiko's commitment to broad distribution. Official retail sits at approximately £1,950 in the UK, or roughly $2,400 USD, placing it in the accessible luxury segment where value-for-technology is arguably unmatched by any Swiss competitor at the price point.