A neo-vintage chronograph from the 1990s powered by Omega's Caliber 1151, featuring a triple calendar layout and chronograph functions.

• Condition: Serviced, great condition (minor touchup needed)
• Case condition: great, minor touchup needed
• Dial condition: clean
• Bezel condition: clean

This Omega Speedmaster Day-Date is a black dial model with reference number 3520.50 and features a 39mm stainless steel case.

• Size: 39mm diameter

The Omega Speedmaster Day-Date features a deep black dial and a sophisticated Triple Calendar complication in a 39mm stainless steel case.

• Condition: Excellent 9/10 Condition
• Case size: 39mm
• Movement type: Triple Calendar complication
• Bracelets: Omega stainless steel bracelet, two aftermarket bracelets (FOIS and leather)

A neo-vintage chronograph from the 1990s with a unique triple calendar layout and chronograph functionality.

• Condition: Great Condition, Serviced
• Caliber: Caliber 1151 (based on Valjoux 7751)
• Case Size: 39mm diameter
• Lug To Lug: 45mm

The Omega Speedmaster Day-Date MK40 Ref.3520.53.00 is a 39mm full calendar chronograph with a unique dial layout and the Omega Caliber 1151 movement.

• Condition: Great, serviced condition
• Size: 39mm diameter
• Movement: Omega Caliber 1151 (based on Valjoux 7751)
• Power reserve: 42 hours

A pre-owned Omega Speedmaster Mark 40 Ref 3520.50 in excellent condition with great case and bracelet shape.

• Condition: -Watch was serviced a year ago (no paperwork for service but it runs GREAT). The case/bracelet are in great shape for a watch this age.
• Case size: 39mm

A masterclass in packaging, this Omega Speedmaster Mk40 (Ref. 3520.50) features a 12-hour chronograph, 24-hour indicator, and full calendar in a 39mm case that wears significantly better than the standard 42mm Professional.

• Condition: Good condition with honest wear on the case and minor issues with lyre lugs.
• Case Condition: Good condition with honest wear on the left side of the case
• Dial Condition: Matte black is flawless
• Movement Status: Running strong

The Omega Speedmaster Automatic Day-Date features a stainless steel case with a twisted-lug design and domed sapphire crystal, powered by the modified Valjoux 7751 automatic chronograph movement.

• Condition: Great condition, serviced
• Movement: Omega 1151 (modified Valjoux 7751)
• Case dimensions: 39mm diameter, 44.75mm lug-to-lug, 14mm thick
• Lug width: 18mm

The Omega Speedmaster Mk40 (Ref. 3520.50) is a Triple Date watch that fits a 12-hour chronograph, 24-hour indicator, and a full calendar into a 39mm case.

• Condition: Good condition with honest wear. Most obvious wear can be found on the left side of the case.
• Case wear: honest wear on left side of case
• Dial condition: flawless
• Movement performance: running strong, chronograph starts, stops, and resets to zero perfectly