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Omega
Speedmaster 3510.21
Median resale value
$5,518
Based on 9 listings — treat as indicative
$3,453middle 50% of listings$7,581+
$4,537 q1
Based on 9 listings — treat as indicative
Every active listing we track, bucketed by asking price. The band you buy in tells you more than the average does.
9 active listings. Median asking price $5,518. The middle 50% ask between $4,537 and $7,519.
Counts here cover listings with a known price, so they can be lower than the active total above.
| Listing | Posted | Condition | Authenticity | Price ↑ | vs median | ||
|---|---|---|---|---|---|---|---|
 | eBay | 10/5/2026 | Good | Unknown | $3,453 | 37% below the median price | View on eBay |
 | eBay | 10/5/2026 | Good | Unknown | $3,734 | 32% below the median price | View on eBay |
 | eBay | 10/6/2026 | Good | Unknown | $4,537 | 18% below the median price | View on eBay |
 | eBay | 10/5/2026 | Good | Unknown | $4,973 | 10% below the median price | View on eBay |
 | eBay | 10/13/2026 | Good | Unknown | $5,518 | At the median price | View on eBay |
 | eBay | 10/6/2026 | Good | Unknown | $6,815 | 24% above the median price | View on eBay |
 | eBay | 10/13/2026 | Good | Unknown | $7,519 | 36% above the median price | View on eBay |
 | eBay | 10/6/2026 | Good | Unknown | $7,535 | 37% above the median price | View on eBay |
 | eBay | 10/24/2026 | Good | Unknown | $7,585 | 37% above the median price | View on eBay |
 | eBay | 10/6/2026 | Good | Unknown | $12,571 | 128% above the median price | View on eBay |
We currently track 10 listings for the Omega Speedmaster 3510.21, with prices ranging from $3,453 – $7,585, from eBay.
The Omega Speedmaster 3510.21 is a distinguished timepiece that exemplifies Omega's rich heritage in precision watchmaking. Renowned as part of the legendary Speedmaster collection, this automatic watch showcases a classic chronograph design, characterized by its elegant black dial and contrasting white subdials. The stainless steel case, measuring 39mm, offers a robust yet refined aesthetic, making it suitable for both casual and formal occasions. Crafted with meticulous attention to detail, the Speedmaster 3510.21 features a tachymetric scale on the bezel, allowing for precise speed calculations—a hallmark of the Speedmaster line that has been associated with space exploration since the 1960s. The watch is fitted with a durable sapphire crystal, ensuring scratch resistance while enhancing visibility. This model, often celebrated for its versatility, runs true to size and is designed for comfort on the wrist, making it a favorite among watch enthusiasts. With its blend of technical sophistication and timeless style, the Omega Speedmaster 3510.21 continues to be a coveted choice for collectors and aficionados alike.
The Omega Speedmaster 3510.21 is a pre-owned Omega watch available for purchase across multiple resale platforms. Shop 10 active listings with prices ranging from $3,453 – $7,585. Find this item on eBay. Listings are available in Good condition, so you can choose the quality and price point that suits you.
Current market prices by condition and authenticity, based on active listings.
| Condition | Listings | Price range |
|---|---|---|
| Good | 9 | $3,453 – $7,585avg $5,741 |
| Status | Listings | Price range |
|---|---|---|
| UnknownListings where authentication status is not specified | 9 | $3,453 – $7,585avg $5,741 |
| Marketplace | Listings | Total value |
|---|---|---|
| eBay | 10 | $64.2K |
| Total | 10 | $64.2K |
Listing counts in the condition and platform tables are filtered subsets (listings with a known condition or price). The “active listings” figure at the top of the page reflects all tracked active listings and may be higher.
