[WTS] 2026 Seiko Alpinist SPB121J on Jubilee, Excellent

2026 Seiko Alpinist SPB121J on Jubilee, Excellent

Seiko - SPB121J · $575
2026 Seiko Alpinist SPB121J on a high-quality two-tone jubilee bracelet with original leather strap, featuring a 39.5mm case diameter, 46mm lug-to-lug, and 13mm thickness.

  • Condition: Excellent
  • Bracelet material: two-tone (gold/silver) jubilee solid end-link
  • Case diameter: 39.5mm
  • Lug-to-lug length: 46mm
Posted at
Apr 3, 2026, 5:16 PM
Sold
[WTS] JDM SEIKO ALPINIST SBDC091 (SPB121J1) GREEN DIAL | $580

JDM SEIKO ALPINIST SBDC091 (SPB121J1) GREEN DIAL | $580

This JDM Seiko Alpinist features an iconic green dial and has been well cared for. It's powered by the Seiko 6R35 automatic movement.

  • Condition: Very beautiful condition, a few small hairline scratches on the case
  • Movement: Seiko 6R35 automatic (manual winding & hacking)
  • Power reserve: Approx. 70 hours
  • Case material: Stainless steel
Posted at
Feb 18, 2026, 7:33 AM
Expired
[WTS] JDM SEIKO ALPINIST SBDC091 (SPB121J1) GREEN DIAL | LIKE NEW | FULLKIT| $600

JDM SEIKO ALPINIST SBDC091 (SPB121J1) GREEN DIAL | LIKE NEW | FULLKIT| $600

A Seiko Prospex Alpinist with a green dial, purchased in 2024 and worn only twice. It features an automatic movement with a power reserve of approximately 70 hours.

  • Condition: Like new
  • Movement: Seiko 6R35 automatic (manual winding & hacking)
  • Power reserve: Approx. 70 hours
  • Case material: Stainless steel
Posted at
Feb 5, 2026, 8:56 AM
Expired
[WTS] Seiko Alpinist SPB121J1 (Japanese model), box and papers, two tone bracelet - the 90’s retired executive watch.

Seiko Alpinist SPB121J1 (Japanese model), box and papers, two tone bracelet - the 90’s retired executive watch.

Seiko - SPB121J1 · $600
This Seiko Prospex Alpinist features a green dial with crosshair pattern, luminous hands and markers, date at 3 o'clock, and a distinctive stainless steel case. The watch has a manual winding movement and is water-resistant to 200m.

  • Condition: Excellent with minor spots, case condition 9.5/10, bracelet condition 9/10, crystal condition 10/10
  • Case Size: 39.5 mm
  • Movement: Seiko Caliber 6R35 automatic with manual winding, 24 jewels, +25 to -15 seconds per day accuracy, ~70-hour power reserve
  • Water Resistance: 200 m (20 bar)
Posted at
Jan 25, 2026, 1:30 PM
Expired
[WTS] Seiko Alpinist SPB121J Great Condition

Seiko Alpinist SPB121J Great Condition

Seiko - SPB121J · $525
This Seiko Alpinist SPB121J is a recent purchase that has seen limited wear.

  • Condition: Great Condition
  • Year purchased: 2024
  • Shipping location: US
Posted at
Jan 17, 2026, 3:31 PM
Expired
[WTS] Seiko Prospex Alpinist SPB121J1 - Box and Papers included

Seiko Prospex Alpinist SPB121J1 - Box and Papers included

Seiko - SPB121J1 · $475
This Seiko Prospex Alpinist is an older model, originally purchased in June 2025. It's running well and performing within specification.

  • Condition: Pre-owned with noticeable scuffing on the bezel
  • Box and papers included: true
  • Original strap included: true
  • Scratches on glass: none
Posted at
Jan 15, 2026, 1:21 PM
Sold
[WTS] Seiko Prospex Alpinist SPB121J1 / SBDC091 – JDM – NEW Full Set – $600

Seiko Prospex Alpinist SPB121J1 / SBDC091 – JDM – NEW Full Set – $600

A legendary and highly sought-after Alpinist with an iconic green sunburst dial, classic yet rugged design, and excellent wearability.

  • Condition: Brand new / unworn
  • Case size: 39.5mm diameter
  • Water resistance: 200m depth rating (20 ATM)
  • Movement: Seiko 6R35 automatic movement
Posted at
Jan 14, 2026, 9:38 AM
Expired
[WTS] 🔥Seiko Alpinist SPB121J Automatic - Excellent Condition

🔥Seiko Alpinist SPB121J Automatic - Excellent Condition

Seiko - SPB121J · $850
A genuine Seiko Alpinist SPB121J automatic in excellent condition, received as a gift and worn only a handful of times.

  • Condition: Excellent, near-new condition
  • Dial color: Green
  • Crystal type: Sapphire
  • Movement: Automatic (6R35)
Posted at
Dec 27, 2025, 12:23 AM
Expired