[WTS] Omega Seamaster Professional 🔵 Summer Blue 🔵 Complete ++ Extras in Mint Condition

Omega Seamaster Professional 🔵 Summer Blue 🔵 Complete ++ Extras in Mint Condition

Omega - 210.30.42.20.03.003 · $4,999
The Omega Seamaster Professional Diver 300m is a high-end diver's watch with a Summer Blue color scheme. It features a 40mm case and comes with multiple straps, including an unused NATO strap.

  • Condition: Mint
  • Warranty Date: 10/2023
  • Bracelet Reference: Summer Blue NATO strap
  • Depth Rating: 300m
Posted at
Feb 17, 2026, 1:42 PM
Active
[WTS] 2023 Omega Seamaster Diver 300M 42mm Steel Summer Blue 210.30.42.20.03.003 Full Set

2023 Omega Seamaster Diver 300M 42mm Steel Summer Blue 210.30.42.20.03.003 Full Set

Omega - 210.30.42.20.03.003 · $4,600
2023 Omega Seamaster Diver 300M 42mm Steel Summer Blue, a stainless steel automatic diver's watch with a rotating dive bezel and summer blue gradient ceramic dial.

  • Condition: Nice pre-owned condition with some scratches on the case bezel and bracelet
  • Case Material: stainless steel
  • Case Dimensions: 42mm diameter
  • Bezel: stainless steel with blue ceramic insert
Posted at
Feb 6, 2026, 5:22 PM
Expired
[WTS] Omega Seamaster Diver 300M – “Summer Blue” – Full Set(Bracelet + Omega Deployant) - 210.30.42.20.03.003

Omega Seamaster Diver 300M – “Summer Blue” – Full Set(Bracelet + Omega Deployant) - 210.30.42.20.03.003

Omega - 210.30.42.20.03.003 · $5,700
This Omega Seamaster Diver 300M features a unique 'Summer Blue' colorway with a deeper gradient dial, matching blue ceramic bezel and Super-LumiNova. It retains the classic 300M case design and is powered by the Co-Axial Master Chronometer Calibre 8800.

  • Condition: Very good, used
  • Case size: 42mm
  • Movement: Co-Axial Master Chronometer Calibre 8800
Posted at
Dec 7, 2025, 2:05 PM
Expired
[WTS] Omega Seamaster Summer Blue 300m full kit, mint condition $5600

Omega Seamaster Summer Blue 300m full kit, mint condition $5600

The Omega Seamaster 300m Summer Blue is a classic dive watch from the limited released series, featuring a beautiful blue dial and anniversary edition caseback. It has a 41mm diameter, 300m water resistance, and is powered by an 8912 COSC and METAS certified Co-Axial movement.

  • Condition: Mint condition with minor light wipe down
  • Water resistance: 300m depth rating
  • Movement type: Co-Axial movement (8912)
  • Power reserve: 60 hour power reserve
Posted at
Nov 26, 2025, 9:39 PM
Expired
[WTS] Brand New 2025 Omega Seamaster Diver 300M Full Set, never worn. 210.32.42.20.03.002 (Summer Blue)

Brand New 2025 Omega Seamaster Diver 300M Full Set, never worn. 210.32.42.20.03.002 (Summer Blue)

Omega - 210.32.42.20.03.002 · $4,850
A brand new Omega Seamaster Diver 300M with a Summer Blue dial, featuring a full set including box, cards, stickers and tags.

  • Condition: New, never worn
  • Year of production: 2025
  • Set contents: box, cards, stickers, tags
Posted at
Nov 24, 2025, 11:17 PM
Expired
[WTS] Omega SMP300 Summer Blue 210.30.42.20.03.003 SMP 300 Seamaster

Omega SMP300 Summer Blue 210.30.42.20.03.003 SMP 300 Seamaster

For sale is my second favorite seamaster dial ever, a summer blue 300M on bracelet with extra zealande rubber strap.

  • Condition: Excellent, mint condition bracelet
  • Case size: 42mm diameter
  • Band type: bracelet
  • Included straps: 1
Posted at
Oct 30, 2025, 2:16 PM
Expired
[WTS] Omega Seamaster "Summer Blue" Professional 300M Co-Axial Diver - Steel & Rubber Strap - Full Set 2025 - $4650

Omega Seamaster "Summer Blue" Professional 300M Co-Axial Diver - Steel & Rubber Strap - Full Set 2025 - $4650

Omega - 210.32.42.20.03.002 · $4,650
The Omega Seamaster Professional 300M Diver features a co-axial escapement and helium escape valve, celebrating Omega's 75th anniversary of the Seamaster line.

  • Condition: Great
  • Case size: 42mm diameter
  • Movement: Automatic with co-axial escapement
  • Helium escape valve: Yes
Posted at
Sep 11, 2025, 10:27 PM
Expired
[WTS] Omega Seamaster Diver 300M “Summer Blue” Ref. 210.30.42.20.03.003 – 2024 Full Set – $5,250

Omega Seamaster Diver 300M “Summer Blue” Ref. 210.30.42.20.03.003 – 2024 Full Set – $5,250

Omega - 210.30.42.20.03.003 · $5,250
The Omega Seamaster Diver 300M 'Summer Blue' is a 2024 model with a 42mm case size, featuring excellent condition with minor imperfections. It comes in a full set, including the box, warranty card, pictogram, and other accessories.

  • Condition: Excellent - light hairlines on bracelet + small handling mark on case
  • Year: 2024
  • Case Size: 42mm
  • Set: Full set - box, warranty card (2024), pictogram, Master Chronometer card, extra links, swing tag
Posted at
Sep 7, 2025, 3:53 PM
Expired