Seiko 5 Sports Automatic Polyester SNZG15K1-var-NATO24 100M Men’s Watch Seiko 5 Sports Automatic watches have consistently offered high levels of reliability and durability; their performance and value endear them to lovers of mechanical watches as a whole. This much-loved timepiece is re-born through a new design and its strap colors bring a broad array of clothing choices, bringing a fresh new look. Sunny beaches or wet winters, its wearable everywhere.