Seiko dive watch

Seiko Sumo still has room for improvement.

After 12 years since the initiation of the first Seiko Sumo, the company released an upgraded version of the watch. In Baselworld 2019, the brand launched the Prospex’Sumo’ SPB101 and SPB103. For the most part, it does not veer away from its predecessor that’s the SBDC031. The stainless steel case nevertheless includes a smooth polishing […]