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.

Buy Now on Jomashop

This is an affiliate link

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 Broad Arrow 3594.50

Omega - 3594.50 · $3,250

The Omega Speedmaster Broad Arrow features a legendary hand-wound Moonwatch design, iconic black dial, and broad-arrow hands.

Condition: Pre-owned, excellent condition with minor marks on the hesalite crystal
Wrist size compatibility: 7-inch wrist

Posted at

Dec 12, 2025, 10:34 AM

Active

View listing on r/WatchExchange

Omega Speedmaster Moonphase

Omega - 304.30.44.52.01.001 · $8,000

This Omega Speedmaster Moonphase is a new piece purchased by the original buyer in December 2023 and overhauled at an Omega service center in November 2024.

Condition: Excellent, fully overhauled
Case diameter: 44mm
Bracelet condition: Scratches (light polish needed)
Included items: box, papers, original receipt, sailcloth strap from Artem

Posted at

Dec 11, 2025, 8:15 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Moonwatch Green Dial Sedna Gold 310.60.42.50.10.001

Omega - 310.60.42.50.10.001 · $33,000

The Omega Speedmaster Moonwatch features a 42mm case in Sedna gold with a sun-brushed green dial and gold hands & indexes.

Condition: Excellent, barely worn
Case size: 42mm diameter
Bracelet material: Sedna gold
Water resistance: null

Posted at

Dec 11, 2025, 4:40 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Moonwatch Two-Tone Sedna Gold 310.20.42.50.99.001

Omega - 310.20.42.50.99.001

No description provided in the title or additional details.

Case material: Two-Tone Sedna Gold

Posted at

Dec 11, 2025, 4:27 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Day Date Panda 323.30.40.40.04.001 40mm

Omega - 323.30.40.40.04.001 · $3,299

A vintage-inspired Omega Speedmaster Day Date Panda watch, featuring a 40mm case size.

Bracelet length: 7.5 inches

Posted at

Dec 11, 2025, 3:08 PM

Active

View listing on r/WatchExchange

2024 Speedmaster -First Omega in Space - 310.30.40.50.06.001 - full kit - factory warranty - very good condition

Omega - 310.30.40.50.06.001

This is a 2024 Speedmaster, the first Omega in space.

Condition: very good condition
Warranty: factory warranty

Posted at

Dec 11, 2025, 1:00 PM

Active

View listing on r/WatchExchange

2024 Omega Speedmaster Moonphase 🌙 - Box and Papers

Omega - 304.33.44.52.03.001 · $6,500

2024 Omega Speedmaster Moonphase with a 44.25mm stainless steel case, blue sun-brushed dial and ceramic bezel.

Condition: Really nice used condition with a few very light marks and minor wear on the box
Case size: 44.25mm diameter
Movement: 9904
Power reserve: 60 hours

Posted at

Dec 11, 2025, 8:17 AM

Active

View listing on r/WatchExchange

Omega Speedmaster Professional 42mm 310.30.42.50.01.001 | 2024 Complete Set w/ Extra Straps

Omega - 310.30.42.50.01.001 · $5,500

This Omega Speedmaster Professional is a 2024 model featuring a 42mm Hesalite crystal. It comes in a complete set with extra straps.

Condition: Fair Pre-Owned Condition with Micro-Scratches on Crystal and wear present on clasp, bracelet, and polished parts of case
Case Size: 42mm diameter
Movement: Master Chronometer

Posted at

Dec 10, 2025, 10:56 PM

Active

View listing on r/WatchExchange

Omega Speedmaster CK2998 Limited Edition “Blue Panda” - Full Set - Price Reduced!

Omega - 311.33.40.30.02.001 · $6,695

This Omega Speedmaster CK2998 Limited Edition 'Blue Panda' is a striking modern take on the classic model, featuring a 40mm stainless steel case and opaline silver dial with blue subdials. It's powered by the manual winding OMEGA calibre 1861 and comes in a complete set with various accessories.

Condition: Excellent, barely worn
Case size: 40mm
Movement type: Manual winding

Posted at

Dec 10, 2025, 7:21 PM

Active

View listing on r/WatchExchange