Seiko - Seiko Prospex diver's watch known to many as the 'Sumo'. This watch has long been a Seiko favorite and it is now updated with a longer power reserve (70 hours)
Seiko - A new 200m addition to the Prospex Diver's collection. Known to many as the 'Sumo', this watch has long been a Seiko favorite and it is now updated with a