[WTS] Omega Seamaster 300M 2551.80 Automatic, 36mm midsize, watch only PLEASE READ $1625

Omega Seamaster 300M 2551.80 Automatic, 36mm midsize, watch only PLEASE READ $1625

Omega - 2551.80.00 · $1,625
The Neo-vintage Omega Seamaster 300M is a mid-sized 36mm diver with an unknown serial number (estimated year). It has been overhauled by a watchmaker and now runs at +7, 260+ amp per timegrapher.

  • Condition: 7/10, minor dings and desk scratches
  • Case Size: 36mm diameter
  • Bracelet Length: up to 7.5"
  • Bezel Condition: fading turns but is tight
Posted at
Mar 11, 2026, 3:58 PM
Sold
[WTS] Omega Seamaster 2551.80 - Tritium Dial (Midsize Automatic) - Clean!

Omega Seamaster 2551.80 - Tritium Dial (Midsize Automatic) - Clean!

Omega - 2551.80 · $1,995
This Omega Seamaster Professional is a midsize automatic watch with a tritium dial that has developed fantastic patina.

  • Condition: Excellent, minor wear marks
  • Wrist size: included photo
Posted at
Mar 10, 2026, 4:33 PM
Sold
[WTS] Omega Seamaster 2551.80 - Tritium Dial (Midsize Automatic) - Clean!

Omega Seamaster 2551.80 - Tritium Dial (Midsize Automatic) - Clean!

Omega - 2551.80 · $1,995
This Omega Seamaster Professional 2551.80 is a midsize automatic watch with a tritium dial, featuring a fantastic patina.

  • Condition: Fantastic shape for the age, minor wear marks throughout
  • Wrist size: refer to photo
Posted at
Feb 23, 2026, 6:03 PM
Expired
[WTS] Omega Seamaster 2551.80 (Midsize Automatic) - Clean!

Omega Seamaster 2551.80 (Midsize Automatic) - Clean!

Omega - 2551.80 · $1,995
This Omega Seamaster Professional 2551.80 is in fantastic shape for the age, with minor wear marks throughout.

  • Condition: Fantastic shape for the age, minor wear marks throughout
  • Wrist size: available in photo
Posted at
Feb 20, 2026, 7:15 PM
Sold
[WTS] Omega Seamaster 2551.80 Watch only!

Omega Seamaster 2551.80 Watch only!

Omega - 2551.80 · $1,850
A vintage Omega Seamaster with phenomenal patina and aged well in all the right places, runs great at -2.1 sec/day.

  • Condition: Pre-owned with minor scratches
  • Patina status: phenomenal
  • Accuracy: -2.1 sec/day at Amp 247
  • Bezel condition: clean
Posted at
Feb 6, 2026, 6:31 PM
Expired
[WTS] Omega Seamaster Midsize Automatic 2551.80

Omega Seamaster Midsize Automatic 2551.80

Omega - 2551.80 · $1,795
A Omega Seamaster Bond Midsize automatic watch with a 36mm case, kept in good condition and serviced regularly.

  • Condition: Good
  • Case size: 36mm
Posted at
Jan 17, 2026, 8:41 PM
Expired
[WTS] Omega Seamaster 2551.80 (Midsize Automatic)

Omega Seamaster 2551.80 (Midsize Automatic)

Omega - 2551.80 · $1,895
  • Condition: Good shape for the age, minor wear marks throughout
  • Water resistance: not specified
Posted at
Jan 3, 2026, 1:40 PM
Sold
[WTS] Omega Seamaster Professional 300M “Blue Wave Dial” Ref 2551.80

Omega Seamaster Professional 300M “Blue Wave Dial” Ref 2551.80

Omega - 2551.80 · $1,925
This Omega Seamaster Professional 300M is a midsize (36mm) automatic watch featuring a classic deep blue wave dial, suitable for everyday wearability and classic dive watch styling.

  • Condition: Very good overall, with signs of wear on the case and bracelet
  • Case size: 36mm
  • Bracelet links: 11
  • Crystal condition: Clear and free of scratches or chips
Posted at
Oct 26, 2025, 8:03 PM
Expired
[WTS] Omega Seamaster Professional 300M “Blue Wave Dial” – Ref. 2551.80

Omega Seamaster Professional 300M “Blue Wave Dial” – Ref. 2551.80

Omega - 2551.80 · $1,925
This Omega Seamaster Professional 300M features a deep blue wave dial, measuring 36mm in diameter, with a smooth-running movement and a crystal free of scratches or chips.

  • Condition: Very good overall condition with signs of wear on the case and bracelet.
  • Case size: 36mm
  • Bracelet links: 11
  • Movement status: Smoothly running
Posted at
Oct 21, 2025, 8:16 PM
Expired