This Omega Seamaster Diver 300M Master Co-Axial is a stainless steel watch with a 42mm case, featuring luminous hands and indices, date window, screw down crown, rotating ceramic bezel, helium valve, master chronometer, and 300M water resistance.

• Condition: Excellent Preowned condition
• Case size: 42mm
• Water depth rating: 300m
• Movement: Swiss In House Movement Caliber 8800

This Omega Seamaster Diver 300M Master Co-Axial 42 is a stainless steel 42mm watch with a rotating ceramic bezel, helium valve, and master chronometer certification. It features luminous hands and indices, a date window, and 55 hour power reserve.

• Condition: Excellent Preowned condition
• Case size: 42mm
• Lug width: 20mm
• Water resistance: 300m depth rating

This Omega Seamaster Diver 300M Master Co-Axial 42 is a stainless steel watch with a 42mm case, featuring luminous hands and indices, a date window, screw down crown, rotating ceramic bezel, helium valve, master chronometer movement, and 300m water resistance. It also has a sapphire crystal and 55 hour power reserve.

• Condition: Excellent Preowned condition
• Case Size: 42mm
• Lug Width: 20mm
• Movement: Caliber 8800

This Omega Seamaster Diver 300M Master Co-Axial is a stainless steel watch with a 42mm case, featuring luminous hands and indices, date window, and rotating ceramic bezel. It has a water resistance of 300M and comes with a Swiss In House movement caliber 8800.

• Condition: Excellent Preowned condition
• Case diameter: 42mm
• Lug width: 20mm
• Movement caliber: 8800

This Omega Seamaster Diver 300M features a stainless steel case, rotating ceramic bezel, and a Swiss In-House movement Caliber 8800. It also has a helium valve, date window, and 55 hour power reserve.

• Condition: Excellent Preowned condition
• Case Size: 42mm
• Lug Width: 20mm
• Water Resistance: 300m depth rating

The Omega Seamaster Diver 300M Master Co-Axial is a stainless steel watch with a 42mm case, featuring luminous hands and indices, date window, screw down crown, rotating ceramic bezel, helium valve, master chronometer, and 300M water resistance.

• Condition: Excellent Preowned condition
• Case Size: 42mm
• Lug Width: 20mm
• Water Resistance: 300M

This Omega Seamaster Diver 300m is a stainless steel watch with a 42mm case, luminous hands and indices, date window, screw down crown, rotating ceramic bezel, helium valve, and master chronometer. It features a Swiss in-house movement caliber 8800, 300M water resistance, sapphire crystal, and chronometer certification.

• Condition: Excellent Preowned condition
• Case size: 42mm diameter
• Water resistance: 300M depth rating
• Crystal material: Sapphire

This Omega Seamaster 300M is a blue dial watch with a 42mm diameter and features co-axial master chronometer technology.

• Condition: Excellent condition, worn sparingly
• Dial color: blue
• Strap material: rubber

The Omega Seamaster Planet Ocean Ref. 2201.50 features a matte black dial, broad-arrow hands, and glossy black bezel, powered by the Omega Calibre 1120 movement and fitted with an Omega Seamaster Professional 300M bracelet.

• Condition: Excellent overall, with faint hairlines on case and bracelet from careful wear
• Bracelet size: ~7.0" wrist + 3 extra links (≈ 7.6–7.7")
• Case back engraving: sharp and legible