[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

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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[WTS] Omega Seamaster 300m - Blue Dial | No Wave - great condition

Omega Seamaster 300m - Blue Dial | No Wave - great condition

Omega - Seamaster 300M · $2,950
This Omega Seamaster 300M features a blue dial and comes with various accessories, including full links, warranty card, pictogram card, and an aftermarket NATO strap. It's available for purchase at the listed price plus shipping within the US.

  • Condition: excellent used condition
  • Depth rating: 300m
Posted at
Jan 18, 2026, 1:55 PM
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[WTS] OMEGA SEAMASTER DIVER 300M GREEN 'SEAWEED' - 210.32.42.20.10.001 - VERY GOOD - BOX/PAPERS - XTRA NEW AM FORSTNER BRACELET

OMEGA SEAMASTER DIVER 300M GREEN 'SEAWEED' - 210.32.42.20.10.001 - VERY GOOD - BOX/PAPERS - XTRA NEW AM FORSTNER BRACELET

A modern dive icon featuring a rich green ceramic dial and bezel, laser-engraved wave pattern, and OMEGA's legendary Co-Axial performance.

  • Condition: Very Good
  • Case size: 42mm diameter
  • Dial color: green
  • Bezel material: green ceramic
Posted at
Jan 18, 2026, 2:15 PM
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[WTS] OMEGA Seamaster Diver 300m - 42mm - Black Dial - Ref 210.32.42.20.01.001 - Full Set

OMEGA Seamaster Diver 300m - 42mm - Black Dial - Ref 210.32.42.20.01.001 - Full Set

This OMEGA Seamaster Diver 300m is a 42mm black dial watch featuring a domed scratch-resistant sapphire crystal and a self-winding movement with a power reserve of 55 hours. The watch has been worn daily for an engineering desk job.

  • Condition: Minor scratches from day-to-day movements, otherwise like new
  • Case Diameter: 42 mm
  • Thickness: 13.56 mm
  • Water Resistance: 300m / 1000 feet
Posted at
Jan 18, 2026, 12:44 PM
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[WTS] omg seamaster 300 166024 from 68. Nice condition, good creamy lume, sharp case. Movement serviced. Trades welcome for similar pieces. $6000 shipped from San Diego CA.

omg seamaster 300 166024 from 68. Nice condition, good creamy lume, sharp case. Movement serviced. Trades welcome for similar pieces. $6000 shipped from San Diego CA.

Omega - 166024 · $6,000
A Seamaster 300 in good condition, with a sharp case and creamy lume.

  • Condition: nice condition
  • Movement Service: yes
Posted at
Jan 18, 2026, 12:36 PM
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[WTS][US] Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

[US] Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

This Omega Seamaster SMP300 features a blue dial and Sedna gold case, measuring 42mm in diameter.

  • Condition: Fantastic condition with minor hairlines
  • Case size: 42mm
Posted at
Jan 18, 2026, 9:57 AM
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[WTS] OMEGA Seamaster Diver 300M 36MM - 212.30.36.20.01.002

OMEGA Seamaster Diver 300M 36MM - 212.30.36.20.01.002

This 36mm OMEGA Seamaster Diver 300M is in excellent used condition with minor signs of wear.

  • Condition: excellent used condition with minor signs of wear
  • Case size: 36mm
  • Water resistance: 300m
Posted at
Jan 17, 2026, 7:44 PM
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[WTS] Omega Seamaster Professional 300 Quartz 2265.80

Omega Seamaster Professional 300 Quartz 2265.80

Omega - 2265.80 · $1,375
The Omega Seamaster Professional Quartz features a 41mm case size and an Electric Blue wave dial with sword hands.

  • Condition: Fair with significant wear
  • Case Size: 41mm diameter
  • Bracelet Length: 6.25''
  • Adjustment Needed: 3-4 links too big for the seller's wrist
Posted at
Jan 17, 2026, 5:55 PM
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[WTS] 2023 OMEGA Seamaster 300 234.30.41.21.03.002 Summer Blue Full Set

2023 OMEGA Seamaster 300 234.30.41.21.03.002 Summer Blue Full Set

This 2023 Omega Seamaster 300 Summer Blue has been inspected mechanically and comes as a full set, including outer and inner boxes, travel pouch, warranty card, pictograms card, and master chronometer card.

  • Condition: Pre-owned, some wear marks
  • Year Purchased: 2023
  • Shipping Method: FedEx overnight
Posted at
Jan 17, 2026, 3:51 PM
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