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

The Omega Speedmaster Professional Moonwatch Sapphire Sandwich features a 42mm stainless steel case with a sapphire front and display case back, showcasing the updated Caliber 3861 movement. It offers enhanced durability, accuracy, and visibility of the beautifully finished movement.

• Condition: Excellent condition - no dings, dents or scratches
• Movement: Hand wound Cal 3861
• Power reserve: 50 hours
• Case size: 42mm diameter

The Omega Speedmaster Professional Moonwatch, reference 310.30.42.50.01.002, is a modern take on the classic design featuring a sapphire crystal and caseback.

• Condition: Excellent with minor signs of wear
• Movement: Manual-wind Cal. 3861 (METAS Master Chronometer)
• Case size: 42mm
• Water resistance: 50m

A Omega Speedmaster Moonwatch Professional 'Sapphire Sandwich' in excellent condition, featuring a 3861 movement and a full set with bracelet.

• Condition: Excellent, minor fit issues with bracelet
• Bracelet Length: ~7.5"
• Links Extra: 2

A Omega Speedmaster Moonwatch Professional with a 3861 movement and sapphire crystal caseback.

• Condition: Excellent, minor fitment issue on the bracelet
• Movement: Calibre 3861
• Bracelet size: ~7.5" wrist, with 2 extra links for adjustment

This Omega Speedmaster Professional Moonwatch, also known as the Sapphire Sandwich, is a pre-owned timepiece with a warranty card dated 2011. It comes with all original accessories, box, and papers.

• Condition: New with accessories and box
• Year: 2011

• Set: Complete Set

This Omega Speedmaster Professional Moonwatch features a Cal. 3861 Master Chronometer movement and comes with upgrades such as a sapphire display caseback, making it a true Hesalite sandwich.

• Condition: Pre-owned with normal wear/use consistent with daily rotation
• Caliber: Cal. 3861 (Master Chronometer)
• Bracelet adjustment type: tool-less sliding clasp
• Caseback material front: Hesalite

The Omega Speedmaster Professional Moonwatch 'Sapphire Sandwich' is a black dial chronograph with sapphire crystal front and back, featuring the iconic tachymeter bezel and trio of subdials. The exhibition caseback shows off the Master Chronometer certified caliber 3861 movement. This watch maintains the asymmetrical lug design and twisted lugs that protect the chronograph pushers.

• Condition: Brand new - fully stickered
• Case size: 42mm
• Bracelet type: Five-link stainless steel