[WTS] Black Omega Seamaster Diver SMP300 41mm Ceramic Non-Wave 212.30.41.20.01.003

Black Omega Seamaster Diver SMP300 41mm Ceramic Non-Wave 212.30.41.20.01.003

The Omega Seamaster Diver 300M is a tool watch built to be worn and relied upon, known for its slimmer profile and comfortable wear.

  • Condition: Preowned – Fair preowned condition consistent with daily wear.
  • Case Size: 41mm
  • Wrist Size: 7.25"
  • Box Papers: Box + Omega Pictogram Card + Serial Hangtag
Posted at
Feb 1, 2026, 11:07 PM
Active
[WTS] Omega Seamaster Diver 300m SMPc - 36.25mm midsize, blue no-wave dial - Full set

Omega Seamaster Diver 300m SMPc - 36.25mm midsize, blue no-wave dial - Full set

This Omega Seamaster Diver 300m has a blue no-wave dial and is a midsize model, measuring 36.25mm in diameter. It comes as a full set, including its original card dated 2017.

  • Condition: Great overall condition with signs of normal wear
  • Case size: 36.25mm diameter
  • Water resistance: 300m depth rating
Posted at
Jan 31, 2026, 11:26 AM
Sold
[WTS][US] Omega SMP300 - Black Dial - 42mm - 210.30.42.20.01.001

[US] Omega SMP300 - Black Dial - 42mm - 210.30.42.20.01.001

Up for sale is an Omega Seamaster Professional 300m - Black Dial - 42mm, which functions perfectly mechanically.

  • Condition: Fantastic with minor hairlines
  • Case size: 42mm diameter
  • Water resistance: 300m
Posted at
Jan 30, 2026, 8:29 AM
Active
[WTS] Omega Seamaster SMP 300m OEM NATO Strap ($115) and OEM Deployment Clasp ($200m)

Omega Seamaster SMP 300m OEM NATO Strap ($115) and OEM Deployment Clasp ($200m)

Selling additional details for an Omega Seamaster SMP with OEM accessories.

  • Condition: barely used
  • Strap Price: $115 shipped (NATO strap cost)
  • Clasp Price: $200 shipped (deployment clasp cost)
Posted at
Jan 26, 2026, 12:34 PM
Active
[WTS] OMEGA Seamaster Professional 300m 41mm 2531.80 - Factory OMEGA Overhaul Completed Late 2025 - Almost Everything Replaced - Complete Kit + Red Service Box - 2 Year Omega Warranty - Everything on this is crisp 🧼🌊

OMEGA Seamaster Professional 300m 41mm 2531.80 - Factory OMEGA Overhaul Completed Late 2025 - Almost Everything Replaced - Complete Kit + Red Service Box - 2 Year Omega Warranty - Everything on this is crisp 🧼🌊

OMEGA - 2531.80 · $3,850
This is a classic SMP Bond 41mm Chronometer watch with a slim case, robust build, and wave dial.

  • Condition: Fully serviced, overhauled in November 2025, almost everything replaced
  • Case size: 41mm
  • Water resistance: 300m
  • Warranty: 2 year Omega warranty starting in November 2025
Posted at
Jan 17, 2026, 2:45 PM
Expired
[WTS] No Date Omega Seamaster Diver 300M - Full Set 2025

No Date Omega Seamaster Diver 300M - Full Set 2025

Up for sale is my No Date SMP 300, purchased directly from Omega Boutique. This watch comes with a complete set, including the original Omega rubber strap with deployant clasp, both boxes, and 3 cards.

  • Condition: Mint condition
  • Purchase Date: purchased directly from Omega Boutique
  • Warranty Card Date: dated 3/29/2025
  • Included Accessories: complete set, original Omega rubber strap with deployant clasp, both boxes, and 3 cards
Posted at
Jan 11, 2026, 10:28 AM
Expired
[WTS] Omega Seamaster Diver 300M Smpc 21230412003001

Omega Seamaster Diver 300M Smpc 21230412003001

Omega - 21230412003001 · $2,950
For sale is my Omega Seamaster SmPc. It comes in unworn condition with a sharp case and never been polished.

  • Condition: Minor scratchers, unworn condition initially, sharp case, not polished
  • Case diameter: 41mm
  • Depth rating: 300m
Posted at
Jan 10, 2026, 3:56 PM
Sold
[WTS] Omega 212.30.41.20.01.003 “SMPC” Seamaster Diver 300

Omega 212.30.41.20.01.003 “SMPC” Seamaster Diver 300

The Omega Seamaster Diver 300M is a black watch with a no wave dial, described as being in incredible condition.

  • Condition: Incredible condition, no scratches
  • Case size: 41mm diameter
  • Depth rating: 300m
Posted at
Jan 7, 2026, 4:16 PM
Expired
[WTS][US] Omega Seamaster SMP300 - Green Dial - 42mm - 210.30.42.20.10.001 - Full Set

[US] Omega Seamaster SMP300 - Green Dial - 42mm - 210.30.42.20.10.001 - Full Set

This Omega Seamaster Professional features a 300m water resistance and is equipped with a green dial.

  • Condition: Fantastic condition with minor hairlines on clasp, case, and bracelet
  • Case size: 42mm
  • Water resistance: 300m
Posted at
Jan 4, 2026, 8:11 AM
Expired