The Seiko Luxe Watches Prospex Alpinist SPB121 is a men’s automatic watch with a green dial, gold hands and numerals, date at 3 o’clock, brown leather strap, stainless steel case, and “Automatic 20 BAR” on the dial.
A Seiko Watches Prospex Alpinist SS Automatic Green Dial SPB121 Men’s watch from Seiko Luxe Watches is shown with a brown leather strap in an open Seiko box, surrounded by branded packaging and booklet—a perfect adventure companion.
A close-up of a wrist wearing the Seiko Luxe Watches Prospex Alpinist SS Automatic Green Dial SPB121 for men, with a brown leather strap; a wooden surface, green plant, and binoculars appear in the background.
A close-up of the Seiko Luxe Watches Prospex Alpinist SS Automatic Green Dial SPB121 men's watch, featuring gold-tone markers, a brown leather strap, and date window showing 24, held by hand against a blurred background.
A Seiko Luxe Watches Prospex Alpinist SS Automatic Green Dial SPB121 men's watch is displayed beside a Google search result for Lexor Miami, a 5-star Miami shop for sunglasses, watches, and perfumes.
The Seiko Luxe Watches Prospex Alpinist SPB121 is a men’s automatic watch with a green dial, gold hands and numerals, date at 3 o’clock, brown leather strap, stainless steel case, and “Automatic 20 BAR” on the dial. A Seiko Watches Prospex Alpinist SS Automatic Green Dial SPB121 Men’s watch from Seiko Luxe Watches is shown with a brown leather strap in an open Seiko box, surrounded by branded packaging and booklet—a perfect adventure companion. A close-up of a wrist wearing the Seiko Luxe Watches Prospex Alpinist SS Automatic Green Dial SPB121 for men, with a brown leather strap; a wooden surface, green plant, and binoculars appear in the background. Seiko Watches Prospex Alpinist SS Automatic Green Dial SPB121 Men A close-up of the Seiko Luxe Watches Prospex Alpinist SS Automatic Green Dial SPB121 men's watch, featuring gold-tone markers, a brown leather strap, and date window showing 24, held by hand against a blurred background. A Seiko Luxe Watches Prospex Alpinist SS Automatic Green Dial SPB121 men's watch is displayed beside a Google search result for Lexor Miami, a 5-star Miami shop for sunglasses, watches, and perfumes.

Seiko Watches Prospex Alpinist SS Automatic Green Dial SPB121 Men

SKU: SPB121

$651.99 $725.00

Authorized Dealer

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Enter ZIP code, if needed: 33142

3 year warranty included

Free shipping, Free return!

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Seiko Watches Prospex Alpinist SS Automatic Green Dial SPB121 Men

Built for explorers and inspired by Seiko’s legendary adventure heritage, the Seiko Prospex Alpinist SPB121 combines rugged performance with timeless outdoor style. A modern reinterpretation of Seiko’s first sport watch introduced in 1959, this iconic automatic timepiece is designed for those who see life as the ultimate adventure. Available at Lexor Miami, your trusted destination for authentic Seiko watches in Miami and the USA.

The SPB121 features a striking sunray green dial accented with elegant gold-tone details, creating a sophisticated yet sporty aesthetic. Equipped with a rotating inner compass bezel, LumiBrite hands and markers, and a magnified date window, this watch is engineered for both functionality and everyday versatility.

Powered by Seiko’s reliable 24-jewel automatic movement, the watch offers approximately 70 hours of power reserve and supports both automatic and manual winding. Its stainless steel case is paired with a classic brown leather strap, while the sapphire crystal with anti-reflective coating ensures superior durability and readability.

Designed for adventure, the Alpinist also features a screw-down crown, see-through caseback, and impressive 200M water resistance.

Key Features

  • Seiko automatic movement with manual winding capability
  • Approximately 70-hour power reserve
  • Iconic sunray green dial with gold accents
  • Rotating inner compass bezel
  • LumiBrite hands and markers
  • Magnified date display
  • Sapphire crystal with anti-reflective coating
  • Stainless steel case construction
  • Brown leather strap with secure clasp
  • Screw-down crown and see-through caseback
  • 200M water resistance

Specifications

  • Model: SPB121
  • Collection: Prospex Alpinist
  • Movement: Automatic
  • Jewels: 24
  • Case Material: Stainless Steel
  • Dial Color: Green
  • Crystal: Sapphire Crystal
  • Strap Material: Leather
  • Strap Color: Brown
  • Water Resistance: 20 Bar / 200M
  • Functions: Date, Compass Bezel

Perfect for enthusiasts seeking a Seiko Prospex automatic watch with vintage outdoor heritage, reliable mechanical performance, and iconic Alpinist styling.

  • UPC: 029665200730

    At Lexor Miami, we want you to love your purchase. If for any reason you're not satisfied, you may return any unopened and unused merchandise in its original condition and packaging within 30 days of delivery.

    • Return Eligibility
    - Items must be unopened, unused, and in original condition and packaging.
    - Gift With Purchase must also be returned in original condition to qualify for a full refund.
    - Testers (if purchased) are non-returnable.
    - Products purchases from Outlet are non-returnable.
    - We are not responsible for unclaimed, undelivered, or lost packages unless due to our error.

    • Exchanges & Defective Items
    If your order arrives damaged, defective, or incorrect, we’ll make it right. You may choose:
    - A full refund to your original payment method, or
    - A replacement of the same item (if in stock)

    Please notify us within three (3) business days of receiving your order.
    Email us at Info@LexorMiami.com before sending anything back.

    • Return Process
    1. Contact us first at Info@LexorMiami.com to request an RA (Return Authorization).
    2. Once approved, we’ll email you a prepaid return shipping label—at no cost to you.
    3. Include your packing slip or proof of purchase in the return package.

    Returns without RA may be delayed or not accepted.

    • Return Address:
    Lexor Miami
    2371 NW 20th St
    Miami, FL 33142
    United States

    • Shipping Your Return
    - For approved returns, we provide a prepaid return shipping label. Free Return.
    - For items over $75, we recommend using a trackable shipping service or purchasing shipping insurance, especially if not using our prepaid label.

    Shipping To return your product, you should mail your product to: 2371 NW 20th St, Miami, FL 33142, United States, Miami FL 33142, United States

    You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

    Depending on where you live, the time it may take for your exchanged product to reach you, may vary.

    If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.

    Gift with purchase needs to be returned in original condition with the purchased product.

     

    Free Shipping Policy

    Free shipping only applies to purchases over $150.
    Orders under $150 do not qualify for free shipping and standard shipping and handling fees will apply.

    We don't sell or ship outside the 48 Contiguous United States. We don't sell or ship to Freight Forwarding or delivery companies. We do not accept  payments from ourside the US.

    Standard U.S. Shipping (4-7 business days)

    $6.95 charge for all U.S. orders. U.S. orders will be shipped via UPS, FedEx, or U.S. Postal Service. Most packages arrive within 4-7 business days. (not a guaranteed service)

    Express U.S. Shipping (2-3 business days guaranteed)

    2-3 business days guaranteed.
    Excluding weekends. Not available to P.O. Boxes.
    Starting at $11.95 depending on weight of shipment ordered.

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    1-2  business day guaranteed.
    Order by 12pm est for delivery next 2 business day.
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    https://www.lexormiami.com/ I does not ship DOT-restricted items to Alaska, Hawaii, Puerto Rico, APO/FPO/DPO or International addresses. Also only ship 48 contiguous states, We don’t Ship Apo, Hawaii and Alaska.  Because we are only shipping through ground shipping contiguous states.

    Seiko Watches Prospex Alpinist SS Automatic Green Dial SPB121 Men

    $651.99 $725.00