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Found 1241 watches matching "Seamaster AT" and 5171 listings

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Found 5171 listings matching "Seamaster AT"

[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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[WTS] Omega Seamaster 300 Master Co-axial Blue Dial Box&papers Ref 233.62.41.21.03.00

Omega Seamaster 300 Master Co-axial Blue Dial Box&papers Ref 233.62.41.21.03.00

Omega - 233.62.41.21.03.00 · $5,950
This Omega Seamaster 300 Master Co-axial features a blue dial, an 18kt sedna gold bezel, and has been upgraded with an OEM black leather strap.

  • Condition: Very good
  • Bezel material: 18kt sedna gold
  • Strap: OEM black leather
Posted at
Apr 7, 2026, 11:27 AM
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[WTS] BNIB Omega Seamaster Diver 300M 210.30.42.20.04.001 $5,325

BNIB Omega Seamaster Diver 300M 210.30.42.20.04.001 $5,325

Omega - 210.30.42.20.04.001 · $5,325
This Omega Seamaster Diver 300M is a high-end dive watch featuring a black ceramic bezel, white ceramic dial, and a sapphire-crystal caseback.

  • Condition: Brand new in box, no issues
  • Case Diameter: 42mm
  • Lug Width: 20mm
  • Water Resistance: 300m depth rating
Posted at
Apr 7, 2026, 11:30 AM
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[WTS] 2022 Omega Seamaster Diver SMP300m 42mm Gray Grey Wave Dial Reference 210.30.42.20.03.001 Box and Papers

2022 Omega Seamaster Diver SMP300m 42mm Gray Grey Wave Dial Reference 210.30.42.20.03.001 Box and Papers

Omega - 210.30.42.20.03.001 · $4,227
This Omega Seamaster Diver SMP300M features a 42mm grey wave dial and is in excellent condition, with the sapphire crystal clean and free of scratches.

  • Condition: Excellent
  • Case size: 42mm diameter
  • Depth rating: 300m
Posted at
Apr 7, 2026, 10:35 AM
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[WTS] Omega Seamaster Planet Ocean 600M 217.32.42.21.01.001 New 2026– $7000

Omega Seamaster Planet Ocean 600M 217.32.42.21.01.001 New 2026– $7000

Omega - 217.32.42.21.01.001 · $7,000
This Omega Seamaster Planet Ocean 600M is one of Omega's newest releases, a stunning and sporty watch that feels refined enough to wear anywhere.

  • Condition: new
  • Year: 2025
  • Retail Price: $8,600
  • Shipping Included: yes
Posted at
Apr 7, 2026, 9:12 AM
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[WTS] Omega Seamaster Professional 300m 210.30.42.20.01.018 Box+Papers!

Omega Seamaster Professional 300m 210.30.42.20.01.018 Box+Papers!

Omega - 210.30.42.20.01.018 · $5,500
A 2023 Omega Seamaster Professional Diver 300M with an automatic self-winding movement and a black dial with orange accents.

  • Condition: Fairly new, minimal wear
  • Movement: Omega 8806 Automatic Self Winding w/ Hacking
  • Power reserve: 55 hours
  • Dial color: Black with orange accents
Posted at
Apr 7, 2026, 8:36 AM
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[WTS][US] Omega Seamaster SMP300 - Silver Dial - 42mm - 210.30.42.20.06.001

[US] Omega Seamaster SMP300 - Silver Dial - 42mm - 210.30.42.20.06.001

Omega - 210.30.42.20.06.001 · $3,675
This Omega Seamaster SMP300 features a 42mm silver dial and is in excellent working order.

  • Condition: Fantastic condition with minor hairlines
  • Case size: 42mm
  • Diameter: 42mm
Posted at
Apr 7, 2026, 7:57 AM
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[WTS] Omega Seamaster 300 Master Co-Axial Titanium Blue Dial 233.90.41.21.03.001 Full Kit $4,650

Omega Seamaster 300 Master Co-Axial Titanium Blue Dial 233.90.41.21.03.001 Full Kit $4,650

Omega - 233.90.41.21.03.001 · $4,650
Up for sale is an Omega Seamaster 300 Master Co-Axial in titanium with a blue sandwich dial, featuring an automatic movement and a 300m water resistance.

  • Condition: Excellent condition with minimal signs of wear
  • Case size: 41mm
  • Movement: Omega Master Co-Axial Caliber 8400 automatic movement
  • Water resistance: 300m
Posted at
Apr 6, 2026, 10:07 PM
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