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Omega
166.026-TOOL 107 Seamaster Cosmic Date Automatic
Price range
$695 – $1,057
Too few priced listings for a median
13
active listings
—
tracked variants
Jul 2026
last refresh
Too few priced listings for a median
| Listing | Posted | Condition | Authenticity | Price ↑ | ||
|---|---|---|---|---|---|---|
 | eBay | 8/29/2026 | Good | Unknown | $744 | View on eBay |
 | eBay | 8/13/2026 | Good | Unknown | $808 | View on eBay |
 | eBay | 9/6/2026 | Good | Unknown | $903 | View on eBay |
 | eBay | 9/8/2026 | Good | Unknown | $978 | View on eBay |
 | eBaySold | 6/7/2026 | Poor | Unknown | $695 | Sold7/21/2026 |
 | eBaySold | 6/7/2026 | Fair | Unknown | $729 | Sold7/18/2026 |
 | eBaySold | 6/23/2026 | Good | Unknown | $763 | Sold8/9/2026 |
 | eBaySold | 7/18/2026 | Good | Unknown | $763 | Sold8/28/2026 |
 | eBaySold | 7/5/2026 | Good | Unknown | $883 | Sold8/16/2026 |
 | eBaySold | 7/18/2026 | Good | Unknown | $898 | Sold8/20/2026 |
 | eBaySold | 7/20/2026 | Good | Unknown | $976 | Sold8/20/2026 |
 | eBaySold | 7/5/2026 | Good | Unknown | $1,057 | Sold8/16/2026 |
 | eBaySold | 7/16/2026 | Good | Unknown | $1,115 | Sold8/21/2026 |
We currently track 13 listings for the Omega 166.026-TOOL 107 Seamaster Cosmic Date Automatic, with prices ranging from $695 – $1,057, from eBay.
The Omega 166.026-TOOL 107 Seamaster Cosmic Date Automatic is a distinguished timepiece that exemplifies Omega's commitment to precision and style. Crafted for men, this watch features a robust stainless steel case, offering both durability and a timeless aesthetic. The striking blue dial is complemented by luminous hour markers and hands, ensuring readability in various lighting conditions. This model showcases a date function at 3 o'clock, enhancing its practicality for everyday wear. The Seamaster collection, known for its water-resistant capabilities, reflects Omega's rich heritage in diving watches, making this piece suitable for both aquatic adventures and formal occasions. With its automatic movement, the watch provides reliable timekeeping without the need for battery replacements. The stainless steel bracelet adds to its sophisticated look while ensuring comfort on the wrist. The Omega 166.026-TOOL 107 is a versatile addition to any collection, appealing to enthusiasts who appreciate both functionality and elegance in their luxury timepieces.
The Omega 166.026-TOOL 107 Seamaster Cosmic Date Automatic is a pre-owned Omega watch available for purchase across multiple resale platforms. Shop 13 active listings with prices ranging from $695 – $1,057. Find this item on eBay. Listings are available in Fair, Good, and Poor 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 |
|---|---|---|
| Fair | 1 | $729avg $729 |
| Good | 2 | $883 – $1,057avg $970 |
| Poor | 1 | $695avg $695 |
| Status | Listings | Price range |
|---|---|---|
| UnknownListings where authentication status is not specified | 4 | $695 – $1,057avg $841 |
| Marketplace | Listings | Total value |
|---|---|---|
| eBay | 4 | $3.4K |
| Total | 4 | $3.4K |
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.
