The Omega Seamaster Diver 300M Chronograph features a 44mm steel and 18K Sedna gold case paired with a black wave-pattern dial, plus a black ceramic bezel with a gold-toned diving scale.

• Case diameter: 44 mm
• Thickness: 17.2 mm
• Between lugs (inlet size): 21 mm

This Sedna Gold Omega Seamaster Chronograph features a black ceramic bezel and is described as absolutely stunning, with a comfortable yet exciting feel on the wrist.

• Case materials: Sedna Gold
• Bezel material: black ceramic

• Model: Seamaster Diver Chronograph

Omega Seamaster Professional Diver 300m Chrono is a stainless steel watch designed for divers, featuring a 44mm case that fits up to an 8.25 inch wrist.

• Condition: nice previously owned condition with only light marks
• Case size: 44mm diameter
• Material: stainless steel
• Water resistance: 300m

A Seamaster Diver 300m Chronograph that combines a professional dive watch and chronograph functionality in one modern package.

• Condition: Very good, used condition with minor wear on the case
• Movement: Omega's Calibre 9900, METAS-certified Master Chronometer with co-axial escapement and 60-hour power reserve
• Case size: 44mm stainless steel
• Water resistance: 300m

This Omega Seamaster Diver 300M Chronograph features a 44mm blue ceramic wave dial and matching blue bezel, powered by the in-house Caliber 9900 movement. It has a METAS-certified movement with 60 hours of power reserve and anti-magnetic resistance.

• Condition: Very good pre-owned condition with minor signs of wear
• Movement: Caliber 9900
• Power reserve: 60 hours
• Anti-magnetic resistance: Yes