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Seaman is a virtual pet video game for the Sega Dreamcast. It is one of the few Dreamcast games to take advantage of the microphone attachment. The narration is voiced by Toshiyuki Hosokawa in the original Japanese-language version and by Leonard Nimoy in the English-language version and the face of Seaman is actually that of the game's producer, Yoot Saito.
Seaman Dreamcast price & price history
The average CIB price for Seaman (Dreamcast) was $95.63 30 days ago and is $97.87 now — up $2.24. Real-market prices from eBay sold listings, updated daily — see the full price chart above.
Frequently asked questions
- How much is Seaman (Dreamcast) worth?
- Seaman for Dreamcast is worth $97.87 on average for a complete-in-box (CIB) copy, based on recent eBay sold listings.
- Is Seaman going up or down in price?
- The price is trending up — it was $95.63 30 days ago and is $97.87 now, a $2.24 increase.
- How does the 100 Coins price compare to PriceCharting?
- PriceCharting publishes one price per condition for Seaman on Sega Dreamcast. 100 Coins computes its own average from the individual eBay sold listings it tracks for this exact edition, weighted so recent sales count for more — which is why the two differ. Both numbers are shown on every condition card above.
- Where does 100 Coins get its price data?
- All prices on 100 Coins come from real eBay sold listings — actual completed transactions, not asking prices or estimates. Prices are updated daily.
| Source | Date | Price | Completeness | Description | Report |
|---|---|---|---|---|---|
| eBay | 2026-08-31 | $75.00 | CIB | Seaman (Sega Dreamcast, 2000) CIB Complete W Manual (No Microphone) | |
| eBay | 2026-08-26 | $149.99 | CIB | Caution Seaman Sega Dreamcast Big Box Complete | |
| eBay | 2026-08-16 | $209.99 | Sealed | Seaman CIB Complete In Box NEW SEALED. Sega Dreamcast | |
| eBay | 2026-08-09 | $100.00 | CIB | Seaman Sega Dreamcast, 2000 with Game, Case, Instructions, and Microphone Tested | |
| eBay | 2026-08-07 | $35.00 | Game Only | Caution Seaman Sega Dreamcast 2000 Disc Only Tested | |
| eBay | 2026-08-07 | $60.00 | Game Only | 2000 CAUTION SEAMAN SEGA DREAMCAST GAME ONLY INCLUDES MANUAL - NO MIC - RARE | |
| eBay | 2026-07-30 | $49.99 | Game Only | Caution Seaman (DreamCast) Loose Disc only - Authentic Good Condition | |
| eBay | 2026-07-24 | $35.00 | Game Only | Caution Seaman Sega Dreamcast 2000 Disc Only (TESTED) | |
| eBay | 2026-07-24 | $39.99 | Game Only | Seaman (Sega Dreamcast, 2000) Disc Only | |
| eBay | 2026-07-22 | $58.97 | Game Only | Caution Seaman Sega Dreamcast 2000 Disc Only (TESTED) |
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