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 Legend Schumacher edition ref 3506.61 MINT (box + warranty/picto/chronometer cards)

Omega - 3506.61 · $4,400

This Omega Speedmaster Legend Schumacher edition features a red dial, special collection engraved case back and is in mint condition with all original accessories.

Condition: Mint (unworn)
Bracelet size: full links
Case back: special collection engraved

Posted at

Jan 21, 2026, 11:10 PM

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Omega Speedmaster professional oem rubber strap and clasp $475 shipped

Omega · $475

The seller is listing an OEM rubber strap and clasp from their Omega Speedmaster, in great condition.

Condition: great condition
Material: oem rubber strap
Strap type: rubber strap

Posted at

Jan 21, 2026, 10:51 PM

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Omega Speedmaster Day-Date Reduced ref 3222.80 MINT (box + warranty card)

Omega - 3222.80 · $3,400

This Omega Speedmaster Day-Date is a stunning example of the reduced model, featuring day, date, month, chronograph, and 24-hour indicators with a vibrant blue dial and stainless steel bracelet. The watch includes original box, warranty card, and operating manual.

Condition: Mint (unworn)
Day-date: includes day, date, month, chronograph, and 24-hour indicators
Box: included in sale
Warranty-card: included in sale

Posted at

Jan 21, 2026, 9:18 PM

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Omega Speedmaster Professional 42mm 310.30.42.50.01.002 “Sapphire Sandwich” | 2024 Complete Set

Omega - 310.30.42.50.01.002 · $6,750

2024 Omega Speedmaster Professional 'Sapphire Sandwich' 42mm watch in great condition.

Condition: Pre-Owned, slight wear on bracelet and clasp, marks on lugs
Bracelet Links: 24
Service History: Unknown
Amp Error: -1 s/d 345+

Posted at

Jan 21, 2026, 8:07 PM

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Omega Speedmaster. Sapphire Sandwich. Coaxial. Automatic. Box, Papers.

Omega - 311.30.44.50.01.002 · $4,895

The Omega Speedmaster is a popular and iconic automatic watch featuring a sapphire sandwich design.

Box: true
Papers: true
Movement: coaxial automatic

Posted at

Jan 21, 2026, 7:25 PM

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Omega Speedmaster Racing Chronograph Silver Dial Watch 326.30.40.50.02.001 Complete Set

Omega - 326.30.40.50.02.001 · $5,895

The Omega Speedmaster Racing features a silver white dial, stainless steel case and bracelet, and chronograph movement, making it a striking and fresh take on the classic Moonwatch profile.

Condition: Excellent
Case Size: 40mm diameter
Movement Type: chronograph

Posted at

Jan 21, 2026, 3:06 PM

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Omega Speedmaster Black Fabric Strap

Omega - CWZ014117 · $240

A black fabric strap for the Omega Speedmaster Pro watch, available for sale with free shipping.

Condition: like new, never worn
Width: 20/16mm

Posted at

Jan 21, 2026, 10:32 AM

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Omega Speedmaster Professional Moonwatch "Sapphire Sandwich" 310.30.42.50.01.002 Brand New Fully Stickered / Triple Boxed

Omega - 310.30.42.50.01.002 · $8,199

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

Posted at

Jan 20, 2026, 8:26 PM

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