Seiko 5 Automatic 21 Jewels Japan Made SNKL23J1 SNKL23J Men's WatchSeiko 5 Automatic 21 Jewels Japan Made SNKL23 SNKL23J1 SNKL23J Men's Watch A sports dress model with a black dial, clear batons and an excellent lume. It's tolerant to most daily activities including the swimming pool and saunas and steam baths. Keeps good time, even when it works off your wrist. The master craftsmen at Seiko had been exceptionally attentive in making it a cutting edge timepiece and giving it a masculine appeal.