Every Seiko we sell is sourced directly from Seiko UK and supplied with the full manufacturer's warranty. Grey market and unauthorised sellers cannot offer the same guarantee of authenticity or after-sales protection.
Over a decade selling watches, with a strong, verified eBay feedback record built on honest listings and genuine customer care.
Every listing is thoroughly checked and comprehensively described. What you see in our photographs is precisely what you receive.
Our team is available before and after purchase — always happy to provide additional photographs or further information on any item we list.
Every order ships free within the UK, carefully packaged to arrive in perfect condition. A 30-day returns policy ensures you can purchase with complete confidence.
Supplied with the full 3-year Seiko manufacturer's warranty from date of purchase. Every watch sold by WatchNation is 100% genuine, sourced directly from Seiko UK as an authorised retailer.
The SNK381K1 is the Seiko 5 at its most refined — a classic automatic with a crisp white dial and polished stainless steel case that wears equally well with business attire, formal occasions, and smart everyday outfits. Its clean, versatile aesthetic is precisely what makes the Seiko 5 one of the most enduring watch families in the world.
The black dial with silver hands and indices provides a bold, immediate contrast that reads clearly in any lighting condition — the luminous hands ensuring visibility in low light. A combined day and date display at 3 o’clock delivers the practical, at-a-glance functionality that has defined the Seiko 5 since 1963. Hardlex crystal protects the dial from everyday knocks and wear.
At the heart of the SNK381K1 is the Seiko Calibre 7S26 — a 21-jewel automatic movement that winds itself through the natural motion of the wrist, delivering dependable mechanical accuracy without a battery. The open exhibition caseback reveals the movement in action. A silver stainless steel bracelet with fold-over clasp completes the watch. Rated to 30 metres, suitable for everyday splashes and light rain.
Classic design, reliable automatic movement, and timeless versatility — the Seiko SNK381K1 is an excellent everyday watch and a perfect introduction to the world of mechanical timekeeping.