Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink

Reference 310.20.42.50.99.001

Omega Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink

About this watch

The Omega Speedmaster Professional Moonwatch 310.20.42.50.99.001 is a stunning blend of tradition and innovation, featuring a unique Sedna Gold and pink finish. Its 42mm stainless steel case and Sedna Gold accents command attention, while the remarkable Omega caliber 3861 movement boasts a co-axial escapement, reducing friction for enhanced accuracy and longevity. Certified by METAS as a Master Chronometer, this watch can resist magnetic fields reaching an impressive 15,000 gauss. The sunburst pink finish adds sophistication, making it perfect for both casual and formal settings.

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Key Features

Omega caliber 3861 movement
42mm stainless steel case
Sedna Gold accents
Co-axial escapement
Master Chronometer certified by METAS
50m water resistance
Chronograph function

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink

Reference

310.20.42.50.99.001

Movement

3861

Movement Features

Small Seconds, Hours, Minutes
Chronograph
Chronometer

Case

42mm

Dial Color

Pink

Crystal

Sapphire

Water Resistance

Current Listings

Omega Speedmaster Professional “White Dial” – Ref. 310.30.42.50.04.001 – 2025 – Full Set – Warranty to 2030 - 🔥$7️⃣4️⃣5️⃣0️⃣🔥

Omega - 310.30.42.50.04.001 · $7,450

A 2025 Omega Speedmaster Professional White Dial with a highly desirable white lacquer dial in excellent condition.

Condition: 9.5/10, excellent condition with minimal handling marks on the bracelet and clasp
Year: 2025
Movement: Omega Cal. 3861 (Master Chronometer)
Warranty expiration year: 2030

Posted at

Jan 6, 2026, 11:02 PM

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2024 Omega Speedmaster Grey Side of The Moon Meteorite 311.63.44.51.99.001 Full Set

Omega - 311.63.44.51.99.001 · $9,750

A 2024 Omega Speedmaster Grey Side of The Moon Meteorite watch featuring a grey ceramic case, 18K Sedna gold bezel, and meteorite dial. It has an automatic mechanical movement, comes on an original black nylon strap, and includes a full set of accessories.

Condition: Excellent pre-owned condition
Case material: Grey Ceramic
Case dimensions: 44.25mm diameter
Bezel material: 18K Sedna Gold

Posted at

Jan 6, 2026, 8:55 PM

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Omega Speedmaster Day Date Watch 3222.80 Serviced

Omega - 3222.80 · $3,500

This is a sporty and versatile Speedmaster with blue dial and automatic chronograph movement.

Condition: Very good, with factory serviced movement
Size: 40mm diameter
Dial color: blue

Posted at

Jan 6, 2026, 7:30 PM

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Omega Speedmaster Broad Arrow Re-Issue 3594.50 + 2024 Service

Omega - 3594.50 · $3,900

For sale is an Omega Speedmaster in very mint condition, fully complete set as shown including all box, books, links, and Omega warranty card.

Condition: Very mint condition
Service Date: 2024

Posted at

Jan 6, 2026, 5:45 PM

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Omega Speedmaster Reduced - 39mm Two Tone - Ref 175.0033 - Price Reduced!

Omega - 175.0033 · $2,850

The Omega Speedmaster Reduced is a white dial version, in great vintage condition with light hairlines on the bezel and case.

Condition: Great vintage condition, light hairlines on bezel and case
Case Size: 39mm diameter
Band Material: Leather AM strap from Casanova
Service History: No service history

Posted at

Jan 6, 2026, 2:06 PM

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Omega Speedmaster Professional “White Dial” – Ref. 310.30.42.50.04.001 – 2025 – Full Set – Warranty to 2030 -$7500 + shipping

Omega - 310.30.42.50.04.001 · $7,500

A modern Omega Speedmaster Professional with a highly sought-after white lacquer dial, featuring iconic Moonwatch heritage paired with a crisp, contemporary dial that wears incredibly well.

Condition: 9.5/10, nearly new with faint micro scratches on the bracelet and clasp
Dial color: white
Movement: Omega Co-Axial Master Chronometer Cal. 3861

Posted at

Jan 5, 2026, 11:28 PM

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Omega Speedmaster Gray Side The Moon Meteorite Dial Ref 311.63.44.51.99.001

Omega - 311.63.44.51.99.001 · $12,999

This Omega Speedmaster features a unique gray meteorite dial, set in a 44.25mm grey ceramic case.

Condition: Mint with minimal no visible scratches on case, band is slightly worn
Case Material: Grey Ceramic
Bezel Material: 18K Sedna gold
Dial: Grey Meteorite

Posted at

Jan 5, 2026, 11:19 PM

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[USA] Omega Speedmaster Professional 'Sapphire Sandwich' (310.30.42.50.01.002) – 2025 Like-New Complete Set 🚨$6,795🚨

Omega - 310.30.42.50.01.002 · $6,795

This Omega Speedmaster Professional is a sapphire sandwich example powered by Calibre 3861 and comes as a complete set with box, warranty cards, serial tag, and art manual.

Condition: Mint, like-new
Movement: Calibre 3861
Retail price: $9,400 + taxes

Posted at

Jan 5, 2026, 10:55 PM

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