Seiko Prospex Alpinist SPB503J1 10 a hallmark of Seiko Astron

a hallmark of Seiko Astron

Reference H69301160

SENSORI: Accelerometro

Steel Chassis Strap

Materials and finishesExterior: FSC-certified walnut wood veneerDetails: heart inlayInterior: ultrasuede with LusterLoc™ anti-tarnish technology (up to 35 years)

Seiko Prospex Alpinist SPB503J1 10 a hallmark of Seiko AstronTechnologically advanced, stylistically faithful to the 1959 original: the Laurel Alpinist. The new 6R55 caliber offers an impressive 72 hour power reserve, equivalent to three full days of mechanical precision. Reliable, robust, and ready to conquer any adventure. Ideal for those who want to rethink the concept of time and wear a piece of history on their wrist. Caliber: 6R55 Water resistance: 20 bar Functions: stop second function, manual winding