Seiko SPB475
Prospex GMT Diver
2024 –present Retail $1,350
What Should You Pay?
Estimated fair market values. Actual prices vary by condition, completeness, and seller.
New / Like New / Full Kit
$849 – $1,103
high confidence
Excellent / Pre-Owned
$696 – $904
high confidence
Used / Watch Only
$536 – $696
high confidence
Fair Market Value
$800
Blended estimate for excellent condition
Recent Comparable Listings
Community Marketplace
| Date | Condition | Asking Price | vs Market | Deal |
|---|---|---|---|---|
| Mar 26 | Like New | $1,100 | +5% | good |
Specifications
Case Diameter 42 mm
Case Height 13.6 mm
Case Material stainless steel
Case Shape round
Case Back screw_down
Lug Width 22 mm
Water Resistance 200m
Crystal Sapphire
Bezel Type Unidirectional rotating with 24-hour GMT scale
Bezel Material stainless steel
Dial Color Blue
Dial Indexes applied
Dial Hands arrow
Bracelet/Strap Bracelet
Bracelet Material stainless steel
Clasp fold_over
Complications date, gmt
Movement
Movement Caliber 6R54
Type automatic
Power Reserve 72 hours
Frequency 21,600 vph
Jewels 24
Functions hours, minutes, seconds, date, gmt
More from Prospex GMT
View all Prospex GMT references →
Related Guides & Articles
Buyer's Guide
Best Watches Under $1,000 in 2026
The best watches you can buy under $1,000 in 2026 — pre-owned and new picks from Seiko, Hamilton, Orient, Tissot, and G-Shock with current prices.
Mar 7, 2026
Market ResearchSeiko Price Guide: Pre-Owned Prices 2026
Current secondhand Seiko prices — from the Seiko 5 to Presage and Prospex. See pre-owned median prices, ranges, and the best Seiko watches to buy used.
Mar 7, 2026
Buyer's GuideHow to Compare Secondhand Watch Prices
Learn how to compare pre-owned watch prices across marketplaces — understand market value, spot overpriced listings, and find the best deal on the watch you want.
Mar 7, 2026
Market ResearchBest Secondhand Watch Deals Right Now
The best deals on pre-owned watches this month — undervalued models from Rolex, Omega, Tudor, Seiko, and more, with current market prices and why they're worth buying.
Mar 7, 2026