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Found 1241 watches matching "Seamaster AT" and 5165 listings

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Found 5165 listings matching "Seamaster AT"

[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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[WTS](Serviced) Omega Seamaster Planet Ocean Black 232.30.46.21.01.003 $2900

(Serviced) Omega Seamaster Planet Ocean Black 232.30.46.21.01.003 $2900

Omega - 232.30.46.21.01.003 · $2,900
A black Omega Seamaster Planet Ocean with a rich history of being bought and sold on this forum. The watch is in amazing condition and was barely worn since its last service.

  • Condition: like new, recently serviced
  • Previous owner's sales history: over 100 sales
  • Face to face sale requirement: FaceTime is required for the sale
Posted at
Apr 6, 2026, 10:41 PM
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[WTS] Omega Seamaster ref. 2561.80, Box, Strap, Accessories - $1,700

Omega Seamaster ref. 2561.80, Box, Strap, Accessories - $1,700

Omega - 2561.80 · $1,700
A midsize Omega Seamaster quartz watch in 36mm with a 6.75" wrist size and extra links for adjustment.

  • Condition: Vintage, with marks of use consistent with use
  • Case size: 36mm diameter
  • Bracelet length: ~6.75"
  • Links included: yes
Posted at
Apr 6, 2026, 9:42 PM
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[WTS] Omega Seamaster 300M 210.30.42 Blue Dial 42mm - $3,450

Omega Seamaster 300M 210.30.42 Blue Dial 42mm - $3,450

Omega - 210.30.42 · $3,450
Up for sale is my Omega Seamaster Blue dial 210.30.42, measuring at 42mm with an automatic Calibre Omega 8800 movement.

  • Condition: great condition, 8.9/10 exterior
  • Movement: automatic Calibre Omega 8800
  • Case size: 42mm diameter
  • Case material: steel
Posted at
Apr 6, 2026, 9:45 PM
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[WTS] Omega Seamaster 300m Professional Black Ceramic 210.30.42.20.01.001

Omega Seamaster 300m Professional Black Ceramic 210.30.42.20.01.001

Omega - 210.30.42.20.01.001 · $4,150
This Omega Seamaster 300m Professional features a black ceramic case, comes with both OEM bracelet and rubber strap, and is accompanied by box and papers.

  • Condition: Pre-owned with minor scratches
  • Case Material: black ceramic
  • Bracelet: OEM
  • Strap: rubber
Posted at
Apr 6, 2026, 8:12 PM
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[WTS] Omega Seamaster Aqua Terra 231.10.42.21.02.001 - Price Reduced!

Omega Seamaster Aqua Terra 231.10.42.21.02.001 - Price Reduced!

Omega - 231.10.42.21.02.001 · $2,895
This is a Watch-only example of the Omega Seamaster Aqua Terra in White Dial, model number 231.10.42.21.02.001, featuring a 41.5mm size and excellent condition.

  • Condition: Very clean pre-owned condition with light wear throughout.
  • Size: 41.5mm
Posted at
Apr 6, 2026, 6:21 PM
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[WTS] Omega 20mm Deployment Clasp & 2 Omega Deployment Straps (Black & Gray)

Omega 20mm Deployment Clasp & 2 Omega Deployment Straps (Black & Gray)

Omega · $275
For sale is an Omega deployment clasp and 2 like-new rubber straps that came off a Seamaster 300m, one black and the other gray.

  • Condition: Excellent condition
  • Lug Width: 20mm
  • Strap Colors: black, gray
Posted at
Apr 6, 2026, 5:41 PM
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