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 Racing 329.30.44.51.04.001 2022 Full Set

OMEGA - 329.30.44.51.04.001 · $6,200

This Omega Speedmaster Racing is a complete set with inner and outer boxes, manual, COSC card, warranty card, and hang tag.

Condition: Excellent
Warranty Expiration: May 2027
Size: for 7.5” wrist

Posted at

Mar 6, 2026, 4:31 PM

Active

View listing on r/WatchExchange

Omega Speedmaster 3511.50 Reverse Panda JAPAN EDITION

Omega - 3511.50 · $2,150

For sale is an Omega Speedmaster Reduced 3511.50, running great and all functions work properly.

Condition: great condition with light signs of wear

Posted at

Mar 6, 2026, 4:01 PM

Active

View listing on r/WatchExchange

OMEGA SPEEDMASTER 145.022-69 PREMOON

OMEGA - 145.022-69 · $6,000

A charming vintage chronograph with a great dial and original DO90 bezel, sold with an original Omega bracelet.

Condition: Pre-owned, with signs of wear
Bracelet type: Original 1039
Clasp type: Omega clasp

Posted at

Mar 6, 2026, 3:05 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina 1978 (Serviced)

Omega - 145.022-78 · $5,050

This Omega Speedmaster Professional Moonwatch features a black tritium dial with even yellow patina and is presented in its original state with period-correct details.

Condition: Very good overall shape, original condition with some polishing on the case
Year: 1978
Size: 42mm diameter

Posted at

Mar 6, 2026, 10:46 AM

Active

View listing on r/WatchExchange