This Omega Speedmaster Moonwatch Professional features the Master Chronometer Calibre 3861, a manual wind movement with 50-hour power reserve and anti-magnetic to 15,000 gauss. The watch has a 42mm stainless steel case and black stepped dial.

• Condition: Excellent overall condition, light signs of wear on the bracelet and clasp
• Movement: Omega Co-Axial Master Chronometer Calibre 3861 (manual wind, 50-hour power reserve, anti-magnetic to 15,000 gauss)
• Case size: 42mm
• Water resistance: 50m

This Omega Speedmaster Professional Moonwatch features a hesalite crystal, closed steel caseback, and comfortable quick adjust clasp bracelet. It has the most up-to-date 3861 caliber and retains the original design language and proportions.

• Condition: clean piece with minimal wear and no condition notes
• Bracelet size limit: 7in
• Dimensions: 42mm X 20 lug width X 47h (lug to lug)
• Crystal type: hesalite crystal with 13.8cc

The Omega Speedmaster Moonwatch Professional is a manual-winding watch with a METAS-certified Co-Axial Calibre 3861 movement, featuring a scratch-resistant sapphire crystal and an exhibition caseback. It's paired with a vintage-inspired tapered bracelet.

• Condition: Excellent
• Year: 2023
• Movement: Manual-winding Calibre 3861 (Master Chronometer, Anti-magnetic)
• Features: Sapphire Crystal, Exhibition Caseback, Applied Logo

This Omega Speedmaster Professional 'Sapphire Sandwich' model features a caliber 3861 and is a full kit including the watch on bracelet, presentation box, cards, and booklet.

• Condition: Mint, like new
• Caliber: 3861
• Shipping: fully insured within continental US

A legendary Omega Speedmaster Professional Moonwatch featuring the Co-Axial Master Chronometer Caliber 3861, purchased new in April 2025 and remaining in mint condition.

• Condition: Mint condition, no signs of wear
• Case size: 42mm diameter
• Water resistance: 50m depth rating
• Crystal material: Hesalite

This Omega Speedmaster Moonwatch Professional features a 42mm diameter steel case, hesalite crystal, and manual-winding caliber Omega 3861 movement.

• Condition: Preowned, great shape with slight wear on bracelet and hesalite crystal
• Case diameter: 42mm
• Water resistance: 50m depth rating
• Movement type: Manual-winding

This Omega Speedmaster Moonwatch Professional features the Co-Axial Master Chronometer Caliber 3861, has a stainless steel case with Hesalite crystal, and comes in its full big box set. It is manual wind, METAS certified, and has 50 meters water resistance.

• Condition: mint condition
• Case size: 42mm
• Water resistance: 50m
• Crystal type: Hesalite

This Omega Speedmaster Professional Moonwatch features the up-to-date 3861 caliber with a comfortable quick adjust clasp bracelet, while maintaining its original design language and proportions.

• Condition: Minimal wear, very clean piece
• Size: 42mm diameter
• Case material: Steel
• Crystal type: Hesalite

The Omega Speedmaster Moonwatch Professional sapphire sandwich features a robust and elegant 42mm stainless steel case with a sapphire front and display case back, showcasing the updated Caliber 3861 movement. Key upgrades include superior magnetic resistance, a Master Chronometer certification by METAS with improved hacking seconds function.

• Condition: Excellent, excellent time keeping without gain or loss
• Case size: 42mm diameter
• Case thickness: 13.2mm
• Lug width: 20mm