A European exclusive limited edition inspired by the deep blue night sky over mountain peaks — introducing the Seiko Prospex Alpinist ‘Night Sky’ SPB531J1. This latest addition to the legendary Alpinist line is available in only a limited number of pieces across Europe, immediately captivating with its elegant design and adventurous spirit, making it the perfect companion both for urban exploration and alpine expeditions.

At first glance, the watch impresses with its deep blue dial featuring a delicate vertical stripe pattern, evoking the stillness and depth of the mountain night. The warm contrast of the gold-tone cathedral-style hands adds a refined touch, while the dark blue calf leather strap completes the look with sophistication. For added versatility, the special edition box also includes a second navy blue nylon strap — ideal for outdoor adventures.

Inside beats the trusted in-house Seiko 6R35 movement, offering a generous 70-hour power reserve and daily accuracy of -15/+25 seconds. A sapphire exhibition case back reveals the finely decorated movement, with each timepiece engraved with its own unique limited edition number, elevating it to collector’s item status.

This new model pays homage to the rich legacy of the Alpinist line, which first appeared in 1959 as Seiko’s inaugural sports watch.

Originally created for Japan’s “yama-otoko” — mountain men who needed reliable timekeeping in treacherous terrain — the first model, known as the Seiko Laurel Alpinist, featured a screw-down case back to guard against dust and sand, a sturdy leather strap to withstand sweat, and luminous hands and indices for visibility in darkness.

Its signature mountain-shaped markers at 3, 6, 9, and 12 o’clock symbolized the four cardinal directions, ensuring safe orientation even in the wild — a design principle still echoed in the collection today.

The new Alpinist ‘Night Sky’ seamlessly blends this storied tradition with contemporary craftsmanship. Under the Seiko Prospex name — short for “Professional Specifications” — it delivers durability, reliability, and practicality, ideal for any modern-day explorer, while offering refined style for everyday wear.

A watch born for the heights now shines in the European sky — this is a model from a collection dedicated exclusively to the European market, with only 3,000 pieces destined for this region.