[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

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
[WTS] 2025 Omega Seamaster Professional 300m (ref: 210.32.42.20.01.003)

2025 Omega Seamaster Professional 300m (ref: 210.32.42.20.01.003)

Selling a newish Seamaster Professional no date, purchased in January 2025 from an Omega Boutique, with a rubber deployment clasp and a foster oyster style bracelet.

  • Condition: Near flawless, slightly used
  • Bracelet: Fostner Oyster style
  • Deployment clasp: Rubber
Posted at
Aug 23, 2025, 7:26 PM
Expired
[WTS] 2024 Omega Seamaster Professional Diver 300M Summer Blue 210.30.42.20.03.003 Full Set

2024 Omega Seamaster Professional Diver 300M Summer Blue 210.30.42.20.03.003 Full Set

This Omega Seamaster Professional Diver 300M Summer Blue features a stainless steel case, rotating dive bezel, summer blue gradient ceramic dial, and comes with both a stainless steel bracelet and an Omega blue rubber strap. The watch is still under warranty until January 2029.

  • Condition: Preowned, light scratches on case and bracelet
  • Case material: Stainless Steel
  • Bezel type: Rotating Dive Bezel
  • Dial color: Summer Blue Gradient Ceramic Dial
Posted at
Aug 18, 2025, 7:07 PM
Sold
[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 full boxes and cards.

  • Condition: AD unit, bracelet mint
  • Box Contents: full boxes (including special edition summer blue outer box) all cards including Omega Boutique warranty card, certificate of appraisal
  • Shipping Options: insured, signature required shipping in the US
  • Available Meetups: Chicago or Milwaukee area
Posted at
Jun 9, 2025, 5:21 PM
Expired
Omega Seamaster 300M - Summer Blue - 42mm - 210.30.42.20.03.003 ( new / 2024 )

Omega Seamaster 300M - Summer Blue - 42mm - 210.30.42.20.03.003 ( new / 2024 )

Omega - 210.30.42.20.03.003 · $4,750.005
This listing is for a brand new Omega Seamaster 300M 42mm Summer Blue Dial on Bracelet, featuring an 8800 Master Co-Axial Movement and coming complete with all boxes, papers, booklets, hang tag, and Omega Warranty Card dated June 2024.

  • Condition: Brand New
  • Case Material: Stainless Steel
  • Movement: 8800 Master Co-Axial
Posted at
May 22, 2025, 3:20 PM
Expired
Omega Seamaster Diver 300M Summer Blue / 210.30.42.20.03.003 Full Set

Omega Seamaster Diver 300M Summer Blue / 210.30.42.20.03.003 Full Set

Omega - 210.30.42.20.03.003 · $4,500.005
The Omega Seamaster Diver 300M Summer Blue is a 42mm watch with excellent condition and complete set, including full length bracelet, wood box, warranty card, pictograms card, master chronometer card, hang tag, operating instruction booklet, and original stickers.

  • Condition: Excellent condition
  • Diameter: 42mm
Posted at
May 28, 2025, 2:43 PM
Expired