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 ...

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 ...

The Seiko Prospex ... It also features a sapphire crystal and an open case back so you can see what’s going on inside. It fits in pretty much any environment as it has a 100m water resistance ...

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 ...