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

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

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

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

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

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

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

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