PROSPEX ALPINIST SPB121

From the Prospex Collection. Designed for those who treat life as the ultimate adventure, the Seiko Prospex line follows every challenge with technological excellence and style. A modern re-imagining of Seiko's first sport watch, introduced in 1959, this distinctive timepiece is an upgrade of a highly successful Spring 2019 limited edition. Equipped with a rotating inner compass bezel for outdoor adventure, this unique design features a sunray-finish green dial with gold accents, LumiBrite hands and markers, magnified date window, and sapphire crystal with anti-reflective coating on the inner surface. The 24-jewel automatic movement beats at a frequency of 21,600 vibrations per hour, with a power reserve of approximately 70 hours, and can be wound manually or automatically. Crafted of stainless steel, with brown leather strap, secure tri-fold push button release clasp, screwdown crown and see-through caseback. 20 bar, 200M Water Resistant.

Technical Data

Model: SPB121

Collection: PROSPEX

Sub Collection: Prospex Alpinist

Dial Color: Green

Strap Material: Leather

Strap Detail: Brown leather strap

Lug Width (mm): 20

Movement: Automatic

Caliber: 6R35

Movement Detail:
Caliber 6R35
21,600 vibrations per hour
24 jewels
Power reserve: approximately 70 hours

Case Material: Stainless steel case

Case Diameter (mm): 39.5

Case Thickness (mm): 13.2

Case Length (mm): 46.4

Crystal Type: Sapphire crystal with anti-reflective coating on the inner surface

Features

Automatic with manual winding capability

Green dial with sunray finish and gold accents

Rotating inner compass bezel

Magnified date window

Screwdown crown

See-through caseback

LumiBrite hands and markers

Tri-fold clasp with push button release