top of page

Seiko Prospex Alpinist SPB121J1. This timepiece is from the Alpinist collection, first launched in 1959 exclusively for the Japanese market. Designed for Japanese ‘Yama-otoko’ mountain men, to be reliable in treacherous terrain, these are part of the Land collection.Hugely popular with many fans worldwide, these new designs are now available globally with an upgraded specification from their original inspiration – a longer power reserve of 70 hours and a glass upgrade to Sapphire glass.Seiko Prospex watches are designed for sports lovers and adventure seekers in the water, in the sky or on land. Since launching Japan’s first diver’s watch in 1965, Seiko’s innovative watchmaking has changed global dive watch standards.

 

Toulson Jones Jewellers are official Seiko stockists

Seiko Prospex Alpinist SPB121J1.

SKU: SPB121J1
£690.00Price
  • Movement

    Caliber Number

    6R35

    Movement Type

    Automatic with manual winding

    Precision

    +25 to -15 seconds per day

    Power reserve

    Approx. 70 hours

    Jewels

    24

    Functions

    • Stop seconds hand function
    • Date display

    Case/Band

    Case Material

    Stainless steel

    Case Size

    Thickness:13.2mm
    Diameter:39.5mm
    Lug-to-lug:46.4mm

    Crystal

    Sapphire crystal with magnifier

    Crystal Coating

    Anti-reflective coating on inner surface

    LumiBrite

    LumiBrite on hands and index(es)

    Band Material

    Calfskin

    Clasp

    Three-fold clasp with push button release

    Distance between lugs

    20

    Other Details

    Water Resistance

    20 bar

    Weight

    87.0g

    Features

    • Rotating compass inner ring
    • Screw-down crown
    • See-through & Screw case back
bottom of page