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

[US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002

Omega - 329.30.43.51.02.002 · $5,350

Up for sale is an Omega Speedmaster Chronoscope - White Panda Dial - 43mm watch that functions perfectly mechanically.

Condition: fantastic with minor hairlines
Case size: 43mm

Posted at

Oct 22, 2025, 9:06 AM

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Help/advice for selling my Omega Speedmaster

The seller is looking for advice on how to securely sell their four-figure Omega Speedmaster, citing concerns about scams and bot warnings.

Watch Model: Speedmaster
Seller Type: eBay

Posted at

Oct 21, 2025, 9:20 PM

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Omega Speedmaster. Broad Arrow. Gorgeous Dial. See through movement. 🔥

Omega - 321.13.44.50.02.001 · $3,275

This Omega Speedmaster features a Broad Arrow dial and a see-through movement, making it a stunning timepiece.

Movement: automatic
Dial: broad arrow dial
Shipping: Fedex with insurance

Posted at

Oct 21, 2025, 6:16 PM

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Omega Speedmaster Professional ( 310.30.42.50.01.001 ) - Like New!

Omega - 310.30.42.50.01.001 · $4,895

A 42mm Omega Speedmaster Professional in amazing condition, with minimal wear and a complete set of accessories.

Condition: Like New
Case size: 42mm diameter
Movement type: automatic

Posted at

Oct 21, 2025, 5:42 PM

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2025 Omega Speedmaster Moonwatch Sapphire Sandwich 310.30.42.50.01.002 Full Set

Omega - 310.30.42.50.01.002 · $7,000

A 2025 Omega Speedmaster Professional Moonwatch Sapphire Sandwich, purchased in January 2025 and running perfectly.

Condition: Excellent preowned condition with minor signs of wear
Year: 2025 (factory warranty until Jan 2030)
Size: 42mm diameter
Retail: $9000

Posted at

Oct 21, 2025, 4:37 PM

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Omega Speedmaster Dark Side Moon Apollo 8 44mm Ceramic Box Papers 2024

Omega - 310.92.44.50.01.001 · $11,950

A wonderful example of the Omega Speedmaster Dark Side Moon Apollo 8 model, featuring a black ceramic skeletonized dial and updated laser ablated moon surface. Paired with a Saturn V rocket constant seconds hand, this is one of the most detailed black ceramic watches to wear.

Condition: Mint condition, appears completely unworn
Case size: 44.25mm

Posted at

Oct 21, 2025, 4:34 PM

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Omega Speedmaster Mark II

Omega - 145.014 · $2,650

A 70's Omega Speedmaster Mark II in great shape, keeping time and chronograph functioning as it should. The watch has a chunky case that balances out with the drape of the bracelet, making it wear well.

Condition: Excellent, with minor degradation of paint on hour counter hand
Case Dimensions: 42.5mm width x 45.5mm length x 15mm thickness
Bracelet Adjustability: expandable to accommodate wrists up to 6.75"
Water Resistance Status: not guaranteed

Posted at

Oct 21, 2025, 3:58 PM

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OMEGA Speedmaster '57 Heritage, George Clooney, Neovintage Chrono, rare automatic version

OMEGA - 331.10.42.51.01.002 · $4,200

The OMEGA Speedmaster '57 Heritage is a rare automatic version that bridges two worlds: precision instrument and personal treasure. It features a black dial with beige indices, sub-dials at 9 and 3 o'clock, and recessed hour markers with Super-LumiNova.

Condition: pre-owned with minor cosmetic flaws (AR coating mark)
Case size: 41.5mm diameter
Movement type: automatic chronograph

Posted at

Oct 21, 2025, 3:38 PM

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Omega Speedmaster Triple Date 3220.50 - 40mm - $2350

Omega - 3220.50 · $2,350

This Omega Speedmaster Triple Date 3220.50 features a classic look with additional Chronometer functionality, available for sale in very good condition.

Condition: Very good pre-owned condition
Case diameter: 40mm
Crystal condition: clean
Bracelet condition: desk rash, minor scratches

Posted at

Oct 21, 2025, 2:55 PM

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