Japanese watchmaker, Grand Seiko, has revealed ... users can expect to enjoy 100m of water resistance from that titanium case. That's broken only by a dual-curved sapphire crystal on the top ...

Seiko released the Astron GPS Solar Dual-Time Chronograph in 2024 with a steel case. Now, the line of SSH references packs every major watch complication into a luxurious titanium package, topped off ...

The latter is perhaps best know for the work of luxury watchmaking maison, Grand Seiko ... enjoy 100m of water resistance from that titanium case. That's broken only by a dual-curved sapphire ...