[WTS] Seiko SPB421 US Special Edition

Seiko SPB421 US Special Edition

Seiko - SPB421 · $825
  • Case diameter: 40.5mm
  • Movement: Caliber 6R35
Posted at
Apr 20, 2026, 10:37 AM
Active
[WTS] Seiko SPB421. New/Unworn $940

Seiko SPB421. New/Unworn $940

Seiko - SPB421 · $940
This listing is for a brand new Seiko SPB421 watch with all original packaging and accessories.

  • Condition: New/Unworn
  • Case condition: with protective stickers still on
  • Status: new/unworn
Posted at
Feb 27, 2026, 3:03 PM
Expired
[WTS] Seiko Prospex 1965 Heritage Diver - SPB421 (REDUCED)

Seiko Prospex 1965 Heritage Diver - SPB421 (REDUCED)

Seiko - SPB421 · $800
A Seiko Prospex 1965 Heritage Diver with a deep blue textured dial and 200 meter water resistance.

  • Condition: Excellent condition
  • Case thickness: 13.2mm
  • Case diameter: 40.5mm
  • Case length: 47.6mm
Posted at
Jan 23, 2026, 7:44 AM
Expired
[WTS] Seiko Prospex 1965 Heritage Diver - SPB421

Seiko Prospex 1965 Heritage Diver - SPB421

Seiko - SPB421 · $900
A Seiko Prospex 1965 Heritage Diver with a deep blue textured dial, featuring a curved sapphire crystal and 200m water resistance.

  • Condition: Excellent condition
  • Case Thickness: 13.2mm
  • Diameter: 40.5mm
  • Length: 47.6mm
Posted at
Jan 15, 2026, 1:32 PM
Expired
[WTS] Seiko Prospex 62MAS SPB421

Seiko Prospex 62MAS SPB421

Seiko - SPB421 · $875
This Seiko Prospex 62MAS SPB421 features a dark blue dial and comes with box and papers. It is in good shape with no major signs of wear.

  • Condition: good
  • Box: yes
  • Papers: yes
Posted at
Sep 8, 2025, 2:58 PM
Expired
[WTS] Seiko Prospex SPB421

Seiko Prospex SPB421

Seiko - SPB421 · $870
This Seiko Prospex SPB421 is a modern take on the classic diver's watch, featuring a 40.5mm diameter case and a powerful automatic movement.

  • Condition: Nearly new
  • Diameter: 40.5mm
  • Lug to lug length: 47.6mm
  • Thickness: 13.2mm
Posted at
Aug 14, 2025, 4:42 PM
Expired