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Found 439 watches matching "Seamaster 300" and 2020 listings

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Found 2020 listings matching "Seamaster 300"

[WTS] Omega Seamaster 300 Heritage Co-Axial Chronometer 234.30.41.21.01.001 Complete Set

Omega Seamaster 300 Heritage Co-Axial Chronometer 234.30.41.21.01.001 Complete Set

Omega - 234.30.41.21.01.001 · $6,845
The Omega Seamaster 300 Heritage is a vintage-inspired dive watch with a timeless design, featuring a black dial, broad arrow hands, and warm toned lume.

  • Condition: Excellent
  • Case material: steel
  • Bracelet type: matching
  • Box set included: true
Posted at
Jan 21, 2026, 3:02 PM
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[wts] 2025 Omega Seamaster

2025 Omega Seamaster

Omega - 210.30.42.20.03.001 · $4,499
2025 Omega Seamaster Professional, with a 42mm case size and Calibre 8800 movement, featuring a blue dial with waves, stainless steel case material, and 300M water resistance.

  • Condition: Pre Owned - Cosmetic Condition: 9/10
  • Case Size: 42mm diameter
  • Movement: Calibre 8800
  • Power Reserve: 55 Hours
Posted at
Jan 21, 2026, 12:39 AM
Sold
Sold
[WTS] Omega Seamaster 300M Co-Axial 41mm 2220.80 Full Kit, + spare clean OEM Bezel Insert - $2,890

Omega Seamaster 300M Co-Axial 41mm 2220.80 Full Kit, + spare clean OEM Bezel Insert - $2,890

Omega - 2220.80 · $2,890
Up for sale is my Omega Seamaster 2220.80, featuring an automatic co-axial cal 2500 movement and measuring at 41mm.

  • Condition: 8.8/10 - great condition with minimal marks/hairlines
  • Case size: 41mm diameter
  • Bezel insert condition: scratches/fading, has a spare clean OEM bezel insert (9.5/10)
  • Movement: automatic co-axial cal 2500
Posted at
Jan 20, 2026, 8:42 PM
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[WTS] Omega Seamaster 300 Automatic Vintage Diver

Omega Seamaster 300 Automatic Vintage Diver

Omega - Seamaster 300
This Omega Seamaster 300 is a vintage automatic diver's watch. It is running at the time of posting and is being sold as a vintage piece.

  • Condition: Vintage, sold as-is
  • Movement: Automatic
  • Shipping: Worldwide
Posted at
Jan 20, 2026, 3:02 AM
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[WTS] Omega Seamaster Professional Diver 300M Blue dial Blue rubber strap Box & Papers

Omega Seamaster Professional Diver 300M Blue dial Blue rubber strap Box & Papers

Omega - 210.32.42.20.03.001 · $4,295
This is the Omega Seamaster Professional Diver 300M Co-Axial Blue dial on the blue rubber strap, featuring a Helium escape valve and anti-magnetic properties.

  • Condition: Excellent condition, minor wear on clasp and strap
  • Water resistance: 30 ATM
  • Date window location: 6 o clock
Posted at
Jan 19, 2026, 9:26 PM
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[WTS] Thorn T026 “Sea Monster 300” PT5000 Homage Watch Men’s Automatic - $140 SHIPPED

Thorn T026 “Sea Monster 300” PT5000 Homage Watch Men’s Automatic - $140 SHIPPED

Thorn - T026 · $140
This watch is a modern homage of the vintage Omega Seamaster 300, with a beautiful dial and crystal.

  • Condition: like new
  • Case condition: almost no wear
  • Movement functionality: fully functional
Posted at
Jan 19, 2026, 8:21 PM
Sold
Sold
[WTS] Omega Seamaster 2531.80 - 41mm - $2,595 Shipped

Omega Seamaster 2531.80 - 41mm - $2,595 Shipped

Omega - 2531.80 · $2,595
Up for sale is my Omega Seamaster Professional 300M automatic, Bond-era reference 2531.80. The watch features an automatic movement and a blue wave dial with sapphire crystal.

  • Condition: Vintage, light wear on bezel, bracelet, case
  • Movement type: automatic
  • Case size: 41mm
Posted at
Jan 19, 2026, 2:48 PM
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[WTS] Omega Seamaster 300 Heritage Blue - Full Set + Extra Straps - $5,500

Omega Seamaster 300 Heritage Blue - Full Set + Extra Straps - $5,500

Omega - 234.30.41.21.03.001 · $5,500
This Omega Seamaster 300 Heritage Blue comes as a full set dated 2024, with two extra straps and is running as expected for a year-old watch.

  • Condition: Pre-owned with small scratches on high-polish surfaces
  • Case Size: 41mm diameter
  • Bracelet Size: ~6.5" wrist
  • Year: 2024
Posted at
Jan 19, 2026, 3:09 PM
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[WTS] Omega Seamaster Professional 300m - 41mm- Blue No Wave - 212.30.41.20.03.001 - Price Reduced!

Omega Seamaster Professional 300m - 41mm- Blue No Wave - 212.30.41.20.03.001 - Price Reduced!

Omega - 212.30.41.20.03.001 · $2,750
A classic Omega Seamaster Diver 300 Blue 'No Wave' dial watch in stunning overall condition. It's a daily diver that wears slightly smaller than the newer models due to its 41mm size.

  • Condition: Preowned with light signs of wear
  • Size: 41mm diameter
  • Bracelet size fit: up to 7.5 inch wrist
Posted at
Jan 19, 2026, 1:59 PM
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