Seiko Watch Prospex Alpinist

Seiko Watch Prospex Alpinist Mens SPB121J1. The Alpinist model was first launched in 2008 exclusively for the Japanese market. Due to popular demand it is now launched globally with an upgraded technical specification from the original. The 2020 version has a longer duration calibre and a glass upgrade. Seiko Prospex watches are designed for sports lovers and adventure seekers whether in the water, in the sky or on land, The Alpinist is classified in the Land category.
Manufacturer: Seiko
SKU: SPB121J1
$650.00
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Movement

Calibre Number

6R35

Movement Type

Automatic with manual winding

Accuracy

+25 to -15 seconds per day

Duration

Approx. 70 hours

Exterior

Case Material

Stainless steel

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

Other Details

Water Resistance

20 bar

Case Size
Thickness: 13.2 ㎜
Diameter: 39.5㎜
Length: 46.4㎜

Weight

87.0g

Other Specifications

  • Rotating compass inner ring
  • Screw case back
  • Screw-down crown
  • See-through case back

Other Features

  • 24 jewels
  • Date display
  • Stop seconds hand function