Automatic Watches For Men - Among Seiko diver watches, the SKA371 or also known as BFK (Big Freaking Kinetic) is a special watch as it uses the novel kinetic movement to recharge
SEIKO DIVER SKA371
WTS] Seiko SKA371 Prospex Kinetic Diver “BFK” w/custom logo dial, DD Sapphire, new capacitor : r/Watchexchange