Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Calf

Reference 310.32.42.50.01.002

Omega Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Calf

About this watch

The Omega Speedmaster Professional Moonwatch 3861 is an engineering marvel that combines style with functionality, paying homage to its illustrious past as the first watch worn on the moon. This iconic timepiece boasts a sleek, matte black dial and polished stainless steel case, striking an excellent balance between boldness and subtlety. At its heart lies the Omega caliber 3861, an updated version of the legendary caliber 861/1861, featuring a Co-Axial escapement and silicon balance spring for accuracy and resistance to magnetic fields up to 15,000 gauss. The watch's robust stainless steel construction and sapphire crystal provide a durable exterior and protect the watch face from scratches, while its water resistance of 50 meters ensures it can withstand accidental splashes. With an open case back revealing the intricate movement within, this timepiece showcases Omega's craftsmanship and attention to detail. The Speedmaster is a versatile accessory that adapts effortlessly to any style or occasion, making it a worthy investment for anyone who appreciates the finer things in life.

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MSRP: $7,600

Market Price: $5,422

Key Features

Manual-winding chronograph movement
Master Chronometer Certified
50-meter water resistance
Co-Axial escapement and silicon balance spring
Open case back revealing intricate movement
Robust stainless steel construction with sapphire crystal

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Calf

Reference

310.32.42.50.01.002

Movement

3861

Movement Features

Small Seconds, Hours, Minutes
Chronograph
Chronometer

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

Current Listings

Omega Speedmaster Moonwatch Professional 3861 Sapphire 310.32.42.50.01.002 – Full Set – $6,500

Omega - 3861 Sapphire 310.32.42.50.01.002 · $6,500

This Omega Speedmaster Moonwatch Professional Sapphire Sandwich features a 42mm stainless steel case and the 3861 Omega Master Chronometer movement.

Case Size: 42mm diameter
Material: stainless steel
Movement: Omega Master Chronometer

Posted at

May 10, 2026, 6:36 PM

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OEM Omega Speedmaster White NASA Velcro Strap - Like New

Omega - Speedmaster White NASA Strap · $200

This is an official Omega Boutique accessory designed to honor the Moonwatch's space exploration heritage, featuring a blue NASA logo and polished steel loop.

Condition: Like New
Lug Width: 20mm
Fits: standard 42mm Speedmaster Professional models

Posted at

May 17, 2026, 9:44 AM

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Omega Speedmaster Sapphire - 310.30.42.50.01.002, Full Set, Excellent condition!

Omega - 310.30.42.50.01.002 · $6,540

A classic Omega Speedmaster with a sapphire sandwich design, in excellent condition and fully set.

Condition: Excellent, 98%
Movement Status: Running great, no issues
Chrono Status: Flawless

Posted at

May 17, 2026, 8:25 AM

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Omega Speedmaster Racing 40mm Ref. 326.30.40.50.06.001 Full Set 2024 Mint $3995 Shipped

Omega - 326.30.40.50.06.001 · $3,995

The Omega Speedmaster Racing 40mm is a modern Speedmaster configuration with a beautiful grey dial and yellow accents, powered by the Co Axial Caliber 3330 automatic chronograph movement.

Condition: Mint
Case size: 40mm diameter
Movement: Omega Co Axial Caliber 3330 automatic chronograph movement

Posted at

May 16, 2026, 9:07 PM

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Omega Speedmaster 50th Anniversary – No. 927/1957 – Numbered Edition – Black Enamel Dial

Omega - 50th Anniversary Limited Edition · $10,200

A numbered Omega Speedmaster 50th Anniversary Limited Edition with a black enamel dial, capturing the vintage spirit of the original Speedmaster while incorporating modern precision and finishing.

Condition: Very good overall condition with light handling marks and minor signs of wear
Case size: 42mm
Dial material: Black enamel
Movement type: Omega manual-wind chronograph

Posted at

May 16, 2026, 8:59 PM

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Omega Speedmaster Reduced “Red Schumacher” 3510.61 – OG Bracelet – $2995 + shipping OBO

Omega - 3510.61 · $2,995

This Omega Speedmaster Reduced features a bright red dial, Schumacher connection and late 90s / early 2000s Omega styling giving it a lot of personality. It's one of the more collectible and fun variants in the Speedmaster Reduced line.

Condition: Very nice condition for its age with normal light wear consistent with use
Bracelet size: ~6.75 inch diameter
Additional links: 2
Movement: Automatic chronograph movement

Posted at

May 16, 2026, 6:03 PM

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Omega Speedmaster Professional 3861 Sapphire (2022) – Full Set – Original Clasp + Micro-adjust Clasp – $6495 + shipping obo

Omega - 3861 Sapphire · $6,495

The Omega Speedmaster Professional Moonwatch 3861 Sapphire is a latest generation watch featuring a Co-Axial Master Chronometer movement and sapphire crystal front and back. It has very light wear from normal use, with a clean crystal and great bracelet shape.

Condition: Excellent overall condition with very light wear from normal use
Box Count: full set
Clasp Type: Original clasp + micro-adjust clasp

Posted at

May 16, 2026, 5:58 PM

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