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Found 1241 watches matching "Seamaster AT" and 5178 listings

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Found 5178 listings matching "Seamaster AT"

[WTS] Serviced Omega Seamaster 36mm Professional - Ultimate Collector's Kit (Box/Papers/Service Parts)

Serviced Omega Seamaster 36mm Professional - Ultimate Collector's Kit (Box/Papers/Service Parts)

Omega - 36mm Professional · $2,850
The Omega Seamaster 36mm Professional features an iconic blue wave dial and has been fully serviced with a flawless movement, excellent timekeeping, and a pressure test. This neo-vintage classic is complete with its original box, papers, service parts, and comes in fantastic shape for its age.

  • Condition: Excellent
  • Case size: 36mm (diameter)
  • Service history: Fully serviced last year (2025) and pressure tested
  • Includes: Original Omega presentation box, original warranty papers, 2025 service receipt, and original replaced service parts
Posted at
Apr 7, 2026, 9:11 PM
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[WTS] Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $3,290

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $3,290

Omega - 231.10.39.21.01.001 · $3,290
Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001 with a steel case on original Omega steel bracelet.

  • Condition: very good for its age, minimal marks/hairlines on case, caseback, and bracelet
  • Movement: Omega Calibre 8500
  • Case size: 38.5mm diameter
  • Bracelet type: original Omega steel bracelet
Posted at
Apr 7, 2026, 9:27 PM
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[WTS] Omega | 220.10.43.22.03.001 | Seamaster Worldtimer | $7,400 | 2024 Complete Set

Omega | 220.10.43.22.03.001 | Seamaster Worldtimer | $7,400 | 2024 Complete Set

Omega - 220.10.43.22.03.001 · $7,400
This is a pre-owned Omega Seamaster Aqua Terra Worldtimer in good condition, featuring a clean crystal and accurate timekeeping.

  • Condition: Preowned, clean condition with minor hairline scratches and a potentially marked crystal
  • Service history: unknown
  • Shipping: 2 Day Insured FedEx Shipping, free
  • Return policy: NO RETURNS, all sales are final
Posted at
Apr 7, 2026, 9:30 PM
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[WTS] Omega Seamaster Diver 300M SMP 300M - in warranty

Omega Seamaster Diver 300M SMP 300M - in warranty

Omega - SMP 300M · $4,250
This Omega Seamaster Diver 300M is a well-maintained timepiece that runs perfectly and keeps excellent time. It comes with the original box, booklet, warranty card, and extra links.

  • Condition: Great condition with minor scratches/scuffs
  • Depth rating: 300m
  • Warranty expiration date: August 2027
  • Accessories included: original box, booklet, warranty card, extra links
Posted at
Apr 7, 2026, 8:10 PM
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[WTS] Omega Seamaster 300 Heritage

Omega Seamaster 300 Heritage

Omega - 233.30.41.21.01.001 · $3,750
Up for sale is my Omega Seamaster 300 Heritage ref: 233.30.41.21.01.001, a vintage-inspired diver watch with 41mm diameter and co-axial caliber 8400.

  • Condition: good with some minor flaws (hairlines on bracelet, flea bites on lug)
  • Diameter: 41mm
  • Movement type: co-axial caliber 8400
  • Accessories: box,extra links,2 red cards (warranty dated Nov 2019),eBay authenticity card,manual
Posted at
Apr 7, 2026, 7:04 PM
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[WTS] Omega Seamaster Calendar

Omega Seamaster Calendar

Omega - Seamaster Calendar · $950
This Omega Seamaster Calendar features a cream dial with gold accents and date window, housed in a 36mm x 12mm case. It comes on an aftermarket leather strap with OEM buckle.

  • Condition: G - good condition for a 50+ year old watch, marks on the acrylic crystal
  • Movement: Caliber 503 automatic
  • Power reserve: 40 hours
  • Crystal type: acrylic
Posted at
Apr 7, 2026, 5:23 PM
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[WTS] Omega Seamaster Planet Ocean 600m 45.5mm 232.30.46.21.01.002 FULL SET

Omega Seamaster Planet Ocean 600m 45.5mm 232.30.46.21.01.002 FULL SET

Omega - 232.30.46.21.01.002 · $2,999
The Omega Seamaster Planet Ocean is a 45.5mm diver's watch with a depth rating of 600m.

  • Condition: Pre-owned
  • Case size: 45.5mm diameter
  • Depth rating: 600m
Posted at
Apr 7, 2026, 4:47 PM
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[WTS] (Spiralwinder) Vintage Omega Seamaster and Constellation Display Caseback

(Spiralwinder) Vintage Omega Seamaster and Constellation Display Caseback

· $65
This listing is about a display caseback designed to fit many Omega Seamaster and Constellation watches from the 1960s, made by Spiralwinder.

  • Caseback type: Spiralwinder
  • Compatible models: 1960s Seamasters and Constellations
Posted at
Apr 7, 2026, 1:54 PM
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[WTS] Omega Seamaster 300 Heritage - Mint Condition + 2 new straps

Omega Seamaster 300 Heritage - Mint Condition + 2 new straps

Omega - 234.30.41.21.03.001 · $4,800
The Omega Seamaster 300 Heritage reference 234.30.41.21.03.001 is a modern reissue of Omega's classic dive watch with a beautiful blue sandwich dial and vintage-inspired design. It blends vintage aesthetics with Omega's modern Master Chronometer movement and METAS certification, making it one of the most compelling heritage divers on the market. The watch comes as a full set, still under Omega factory warranty.

  • Condition: Near Mint
  • Case diameter: 41mm
  • Movement type: Omega Master Chronometer automatic movement (Calibre 8912)
  • Certification: METAS certified Master Chronometer
Posted at
Apr 7, 2026, 12:18 PM
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