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

2025 OMEGA Speedmaster Moonwatch Pro White 310.30.42.50.04.001 Full Set

OMEGA - 310.30.42.50.04.001 · $7,699

For sale is a classic Omega Speedmaster Moonwatch Pro with a white dial and a December 2025 date.

Condition: Very good condition, with a mark on the side of the case
Msrp: $9,100 + Tax
Shipping: Fully insured overnight via FedEx to the closest FedEx Office

Posted at

Jan 18, 2026, 3:12 PM

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Omega Speedmaster Pilot (332.10.41.51.01.002) | 2025

Omega - 332.10.41.51.01.002 · $7,900

This Omega Speedmaster Pilot is a recently released version of the Speedmaster, featuring an automatic Caliber 9900 movement and a 40.85mm steel case.

Condition: Excellent, lightly worn
Case Size: 40.85 mm diameter
Bracelet Material: Steel
Crystal: Sapphire

Posted at

Jan 18, 2026, 3:11 PM

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Omega Speedmaster Professional Sapphire Sandwich $6680 2025

Omega - Speedmaster Professional Sapphire Sandwich · $6,680

This Omega Speedmaster Professional is a unique variant known as the Sapphire Sandwich.

Price: $6680

Posted at

Jan 18, 2026, 12:42 PM

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Omega Speedmaster Professional Sapphire Sandwich 2025 $6680

Omega - Speedmaster Professional Sapphire Sandwich 2025 · $6,680

a rare Omega Speedmaster Professional with a sapphire sandwich case and a 2025 model number.

Year of production: 2025

Posted at

Jan 18, 2026, 12:34 PM

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Omega Speedmaster 39mm olympic 3516.20

Omega - 3516.20 · $2,100

This is a beautiful Omega Speedmaster limited Olympic edition, with minimal signs of wear and coming with an Omega red travel case.

Condition: very good condition with minimal sign of wear
Case size: 39mm
Movement accuracy: -+4/day
Included accessories: omega red travel case

Posted at

Jan 17, 2026, 7:29 PM

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Omega Speedmaster 3861 Bracelet

Omega - 3861 · $750

This Omega Speedmaster is a brand new model with additional features such as tool free microadjust and it has not been worn.

Condition: New, never worn
Links included: true
Clasp condition: plastic still on
Adjustment method: tool free microadjust

Posted at

Jan 17, 2026, 4:39 PM

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[WTS] Omega Speedmaster Professional Sapphire Sandwich – Cal. 1863 – New OEM Omega 3861 Bracelet With Quick Adjust Clasp – Spiralwinder Dot Over 90 Ceramic Bezel

Omega Speedmaster Professional Sapphire Sandwich – Cal. 1863 – New OEM Omega 3861 Bracelet With Quick Adjust Clasp – Spiralwinder Dot Over 90 Ceramic Bezel

Omega - Speedmaster Professional Sapphire Sandwich · $5,600

This Omega Speedmaster Professional Sapphire Sandwich is powered by the highly regarded caliber 1863 and features a Spiralwinder Ceramic DON tachymètre bezel. The watch has been upgraded with a new OEM 3861 bracelet installed at the Omega Boutique.

Condition: Excellent
Movement: Cal. 1863
Crystal: Sapphire front & back
Bezel: Spiralwinder Ceramic DON (Dot Over Ninety) tachymètre bezel

Posted at

Jan 17, 2026, 11:51 AM

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OMEGA Speedmaster 🌘🌑“Dark Side of the Moon”Co-Axial Master Chronometer Chronograph|Ref. 310.92.44.51.01.001| 2025 | Full Set in Like New Condition

OMEGA - 310.92.44.51.01.001 · $11,750

The OMEGA Speedmaster 'Dark Side of the Moon' is a modern icon that blends OMEGA's space-faring heritage with advanced materials, crafted entirely in black ceramic for exceptional scratch resistance and lightweight wearability.

Condition: Excellent
Case size: 44.25 mm
Set: Full set (box, papers, 5 year warranty)
Movement: Co-Axial Master Chronometer Calibre 9908

Posted at

Jan 17, 2026, 11:13 AM

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