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Seiko SPB421

Prospex 1965 Diver's Modern Re-Interpretation U.S. Special Edition

2023 –present Limited Edition Retail $1,250

What Should You Pay?

Estimated fair market values. Actual prices vary by condition, completeness, and seller.

New / Like New / Full Kit
$803 – $1,042
high confidence
Excellent / Pre-Owned
$658 – $854
high confidence
Used / Watch Only
$507 – $658
high confidence
Fair Market Value
$756
Blended estimate for excellent condition

Recent Comparable Listings

Community Marketplace

DateConditionAsking Pricevs MarketDeal
May 27Fantastic$850at mediangood
Apr 20$825-3%good
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This U.S. Special Edition is a modern reinterpretation of Seiko's iconic 1965 diver's watch. It features a deep blue sunburst dial and matching blue bezel, housed in a 40.5mm case that maintains the classic proportions while incorporating modern features like a sapphire crystal and the 6R35 movement with enhanced power reserve.

Specifications
Case Diameter 40.5 mm
Case Height 13.2 mm
Case Material stainless steel
Case Shape round
Case Back screw_down
Lug Width 20 mm
Water Resistance 200m
Crystal sapphire
Bezel Type rotating_unidirectional
Bezel Material stainless steel
Dial Color blue
Dial Indexes applied
Dial Hands arrow
Bracelet/Strap oyster
Bracelet Material stainless steel
Clasp fold_over
Complications date
Movement
Movement Caliber 6R35
Type automatic
Power Reserve 70 hours
Frequency 21,600 vph
Jewels 24
Functions hours, minutes, seconds, date

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