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

an Omega Speedmaster Professional Moonwatch with Cal. 3861 movement and Hesalite crystal, purchased from an Authorized Dealer.

• Condition: Daily wear, shows normal wear/use
• Movement: Cal. 3861 (Master Chronometer)
• Bracelet type: Current bracelet with tool-less sliding clasp adjustment

The Omega Speedmaster Moonwatch Professional features a 42mm stainless steel case with a hesalite front and solid case back powered by the updated caliber 3861 movement. It offers enhanced durability, accuracy, and visibility of the dial, making it a modern interpretation of the iconic Moonwatch.

• Condition: Excellent
• Case Size: 42mm diameter
• Case Thickness: 13.2mm
• Lug Width: 20mm

2025 Omega Speedmaster Hesalite with a manual-wind Calibre 3861 movement, size: 42mm diameter, hesalite crystal and stainless steel case.

• Condition: Excellent condition overall
• Size: 42mm diameter
• Case material: stainless steel
• Dial color: black

This Omega Speedmaster Professional Moonwatch is a Hesalite 'sandwich' model with a sapphire display caseback and an original Hesalite caseback included. It features a Cal. 3861 Master Chronometer movement and comes with a full Authorized Dealer kit.

• Condition: Daily worn, normal wear/use consistent with daily rotation, never polished
• Movement: Cal. 3861 (Master Chronometer)
• Bracelet type: Current bracelet with tool-less sliding clasp adjustment
• Crystal material: Hesalite, Sapphire

This listing is for an additional exhibition caseback to make the Omega Hesalite Speedmaster more unique.

• Type: Exhibition caseback
• Material: Sapphire

• Model type: Speedmaster Professional
• Crystal type: Hesalite

This Omega Speedmaster Professional, also known as The Moonwatch, features a Hesalite crystal and is from May 2023. It comes with its original box, papers, and manual in excellent condition.

• Condition: Excellent
• Year Of Manufacture: 2023
• Crystal Material: Hesalite
• Bracelet Adjustment: micro adjust