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Omega
Seamaster Aqua Terra 150M Midsize 2518.30.00
Median resale value
$2,488Down 2.5% over 90 days
Based on 8 listings — treat as indicative
$2,200middle 50% of listings$3,706+
Based on 8 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.
8 active listings. Median asking price $2,488. The middle 50% ask between $2,275 and $3,263.
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 | ||
|---|---|---|---|---|---|---|---|
 | Crown & Caliber | 3/15/2026 | Good | AuthenticatedCrown & Caliber CPO certification | $2,200 | 12% below the median price | View on Crown & Caliber |
 | Crown & Caliber | 3/15/2026 | Good | AuthenticatedCrown & Caliber CPO certification | $2,275 | 9% below the median price | View on Crown & Caliber |
 | Crown & Caliber | 3/15/2026 | Good | AuthenticatedCrown & Caliber CPO certification | $2,275 | 9% below the median price | View on Crown & Caliber |
 | Crown & Caliber | 3/15/2026 | Good | AuthenticatedCrown & Caliber CPO certification | $2,375 | 5% below the median price | View on Crown & Caliber |
 | Crown & Caliber | 3/15/2026 | Good | AuthenticatedCrown & Caliber CPO certification | $2,600 | 5% above the median price | View on Crown & Caliber |
 | Crown & Caliber | 3/15/2026 | Good | AuthenticatedCrown & Caliber CPO certification | $3,200 | 29% above the median price | View on Crown & Caliber |
 | Crown & Caliber | 3/15/2026 | Good | AuthenticatedCrown & Caliber CPO certification | $3,450 | 39% above the median price | View on Crown & Caliber |
 | Crown & Caliber | 3/15/2026 | Good | AuthenticatedCrown & Caliber CPO certification | $3,725 | 50% above the median price | View on Crown & Caliber |
We currently track 8 listings for the Omega Seamaster Aqua Terra 150M Midsize 2518.30.00, with prices ranging from $2,200 – $3,725, from Crown & Caliber.
The OMEGA Seamaster Aqua Terra 150M Midsize 2518.30.00 embodies the perfect fusion of elegance and functionality. This timepiece features a stainless steel case with a polished finish, measuring a comfortable 38.5mm in diameter, making it ideal for both casual and formal occasions. The watch showcases a striking blue dial, accented by luminous hour markers and hands, ensuring readability in various lighting conditions. Constructed with OMEGA's renowned Co-Axial escapement, the Seamaster Aqua Terra offers exceptional precision and durability. It is water-resistant up to 150 meters, making it suitable for aquatic adventures while maintaining its sophisticated aesthetic. The watch is completed with a stainless steel bracelet that combines comfort and style, featuring a secure deployment clasp. Positioned within OMEGA's prestigious Seamaster collection, the Aqua Terra line is celebrated for its versatility, appealing to both watch enthusiasts and fashion-forward individuals. This model runs true to size, providing a snug yet comfortable fit on the wrist. The OMEGA Seamaster Aqua Terra 150M Midsize is a timeless addition to any luxury watch collection, embodying both heritage and modern craftsmanship.
The Omega Seamaster Aqua Terra 150M Midsize 2518.30.00 is a pre-owned Omega watch available for purchase across multiple resale platforms. Shop 8 active listings with prices ranging from $2,200 – $3,725. Find this item on Crown & Caliber. Listings are available in Good condition, so you can choose the quality and price point that suits you. 8 listings are professionally authenticated, giving you added peace of mind when buying pre-owned.
Current market prices by condition and authenticity, based on active listings.
| Condition | Listings | Price range |
|---|---|---|
| Good | 8 | $2,200 – $3,725avg $2,763 |
| Status | Listings | Price range |
|---|---|---|
| Authenticated / VerifiedListings with third-party authentication or platform verification | 8 | $2,200 – $3,725avg $2,763 |
| Marketplace | Listings | Total value |
|---|---|---|
| Crown & Caliber (Hodinkee) | 8 | $22.1K |
| Total | 8 | $22.1K |
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.
