Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel - Moonshine Gold / Silver

Reference 310.20.42.50.02.001

Omega Speedmaster Professional Moonwatch 3861 Stainless Steel - Moonshine Gold / Silver

About this watch

The Omega Speedmaster Professional Moonwatch 310.20.42.50.02.001 is a stunning blend of classic design and cutting-edge technology, featuring a stainless steel case, Moonshine gold accents, and sophisticated chronograph functionality. At the heart of this timepiece is the Omega caliber 3861 movement, certified as a Master Chronometer by METAS and boasting advanced features like a co-axial escapement, silicon balance spring, and magnetic resistance of up to 15,000 gauss. The Speedmaster's ergonomic design ensures it sits comfortably on the wrist, while its 50-meter water resistance makes it practical for daily wear. This watch is incredibly versatile, adapting effortlessly from formal events to casual days out, and its durability is ensured by top-notch materials like ceramic, stainless steel, and Moonshine gold. With a price point that reflects its quality and heritage, the Omega Speedmaster Professional Moonwatch 3861 is an investment in horological history.

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Key Features

Omega caliber 3861 movement with co-axial escapement and silicon balance spring
50-meter water resistance for everyday wear
Chronograph functionality with precise timing and intuitive layout
Moonshine gold accents and stainless steel case for luxurious appearance
Sapphire glass for scratch-resistance and durability
Master Chronometer certification by METAS for high accuracy and reliability

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch 3861 Stainless Steel - Moonshine Gold / Silver

Reference

310.20.42.50.02.001

Movement

3861

Movement Features

Small Seconds, Hours, Minutes
Chronograph
Chronometer

Case

42mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

Current Listings

2024 Omega Speedmaster “First Omega in Space” 310.30.40.50.06.001 – Full Set - $6,950 Shipped

Omega - 310.30.40.50.06.001 · $6,950

The Omega Speedmaster 'First Omega in Space' is a modern reissue honoring the Speedmaster worn by Wally Schirra during the Sigma 7 mission, featuring a slim 39.7mm case and vintage-inspired design.

Condition: Good (normal signs of wear)
Case size: 39.7mm
Movement: Manual-wind chronograph (Omega Caliber 3861)
Crystal: Sapphire

Posted at

Jan 31, 2026, 8:52 AM

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Omega Speedmaster Triple Date Blue Dial Ref : 3521.80 Condition Good Price : 2100$ ( USD )

Omega - 3521.80 · $2,100

This Omega Speedmaster Triple Date features a blue dial, automatic Caliber 1151 movement, and is available for purchase for $2100.

Condition: Good
Size: 39mm diameter
Movement: Caliber 1151 (Automatic)

Posted at

Jan 31, 2026, 4:16 AM

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Omega Speedmaster. MK40. Triple Date. 🔥

Omega - MK40 · $2,750

A 39mm Omega Speedmaster with automatic movement and triple date functionality, available for sale in New Jersey.

Case size: 39mm diameter
Movement type: Automatic

Posted at

Jan 30, 2026, 5:37 PM

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PRICE DROP 2023 Omega Speedmaster Moonphase Sedna Gold

Omega - 304.23.44.52.13.001 · $9,348

2023 Omega Speedmaster Moonphase Sedna Gold features a 44.25mm 18k Sedna gold case with a brown sun-brushed dial and precision moonphase display at 6 o'clock.

Condition: Excellent, with light signs of wear
Case size: 44.25mm
Case material: 18k Sedna Gold
Dial color: Brown sun-brushed

Posted at

Jan 30, 2026, 4:42 PM

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Omega Speedmaster Moonwatch Professional 42mm White Dial 310.30.42.50.04.001 Complete

Omega - 310.30.42.50.04.001 · $7,650

This Omega Speedmaster Moonwatch Professional features a white dial and is in very good condition with minimal handling marks.

Condition: In very good condition, rated at 9.7/10
Case Diameter: 42mm
Included Accessories: Inner & outer boxes, manual, booklet, Pictogram card, Master Chronometer card, removed links and warranty card (dated 2024)

Posted at

Jan 30, 2026, 10:57 AM

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Omega Speedmaster 38 Co-Axial Chronograph Grey Dial 324.32.38.50.06.001

Omega - 324.32.38.50.06.001 · $4,550

This Omega Speedmaster 38 Co-Axial Chronograph features a grey dial and is in excellent condition with minimal handling marks.

Condition: In very good condition, rated at 9.8/10
Box: Inner & Outer
Papers: Manual, Warranty Card (dated 2022), Pictogram Card

Posted at

Jan 30, 2026, 10:42 AM

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[WTS] Omega Speedmaster Moonwatch Sapphire Sandwich 1863 on Latest OEM Omega 3861 Bracelet with Quick Adjust Clasp + OEM Omega 3861 Moonwatch Box Set + Spiralwinder DON Ceramic Bezel - CLEAN, only $5400 shipped CONUS for everything

Omega Speedmaster Moonwatch Sapphire Sandwich 1863 on Latest OEM Omega 3861 Bracelet with Quick Adjust Clasp + OEM Omega 3861 Moonwatch Box Set + Spiralwinder DON Ceramic Bezel - CLEAN, only $5400 shipped CONUS for everything

Omega - 1863 · $5,400

This Omega Speedmaster Moonwatch Sapphire Sandwich is in fantastic condition and features a fully lumed ceramic bezel. It comes with an OEM Omega 3861 bracelet and box set.

Condition: Fantastic condition, some minor scratches on polished bits of case
Bracelet type: OEM Omega 3861
Bezel type: Fully lumed ceramic bezel, spiralwinder DON
Original bezel included: yes

Posted at

Jan 29, 2026, 7:03 PM

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