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Found 439 watches matching "Seamaster 300" and 2018 listings

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Found 2018 listings matching "Seamaster 300"

[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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[WTS] Omega Seamaster 2252.50 - 36mm Midsize - Clean!

Omega Seamaster 2252.50 - 36mm Midsize - Clean!

Omega - 2252.50 · $1,995
This Omega Seamaster Professional 300m 'Peter Blake Jr.' is a cult classic in excellent working order.

  • Condition: great overall condition with minimal wear
  • Case diameter: 36mm
  • Lug width: 18mm
  • Water resistance: 300m
Posted at
Jan 19, 2026, 2:29 PM
Sold
Sold
[WTS] Omega Seamaster 300 – Ref. 210.30.42.20.01.001 – 2019 – Full Set - $4099

Omega Seamaster 300 – Ref. 210.30.42.20.01.001 – 2019 – Full Set - $4099

Omega - 210.30.42.20.01.001 · $4,099
This is a 2019 Omega Seamaster 300, one of the most popular modern dive watches, featuring an iconic design and Master Chronometer performance.

  • Condition: Used with honest wear, could benefit from a light polish to look like new
  • Case size: 42mm diameter
  • Water resistance: 300m depth rating
Posted at
Jan 18, 2026, 6:43 PM
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