Omega Speedmaster Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Alligator

Reference 310.63.42.50.01.001

About this watch

The Omega Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Alligator is a masterpiece of luxury watchmaking, blending history, craftsmanship, and modern technology. Its striking black sunburst dial and Sedna Gold case exude sophistication, while its chronograph function and co-axial escapement ensure precision and reliability. With a water resistance of 50 meters and a power reserve of 50 hours, this watch is built for performance and durability. Whether you're a seasoned collector or a first-time buyer, the Speedmaster Professional Moonwatch is sure to impress with its stunning design, exceptional movement, and practical features.

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MSRP: $30,200

Market Price: $18,352

Key Features

Omega caliber 3861 movement
Sedna Gold case material
Master Chronometer certification by METAS
Chronograph function
Co-axial escapement
Plexi glass crystal
50-meter water resistance

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Alligator

Reference

310.63.42.50.01.001

Movement

3861

Movement Features

Small Seconds, Hours, Minutes
Chronograph
Chronometer

Case

Sedna Gold 42mm

Dial Color

Black

Crystal

Plexi

Water Resistance

Current Listings

Omega Speedmaster Moonwatch Exhibition Back 3592.50 Apollo XI Watch

Omega - Speedmaster Moonwatch Exhibition Back 3592.50 Apollo XI

Image link: https://imgur.com/a/2pYMJf8

Posted at

Apr 20, 2026, 11:37 AM

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Omega Speedmaster Triple Calendar Blue Sunburst Dial 3523.80 39mm | Great Condition (Serviced) | $2500

Omega - 3523.80 · $2,500

This Omega Speedmaster Triple Calendar features a blue sunburst dial, stainless steel case, and automatic movement. It's compact at 39mm and comes with an OEM bracelet.

Condition: Great condition, serviced
Movement: Omega Cal. 1151 (based on Valjoux 7751)
Case dimensions: 44.7mm lug-to-lug, 13–14mm thickness
Bracelet: OEM, fits up to 19cm (7.5 inches)

Posted at

Apr 20, 2026, 12:03 AM

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Omega Speedmaster Racing Reverse Panda dial New/ unworn Full set 6/2025

Omega - 326.30.40.50.01.002 · $4,300

The Omega Speedmaster Racing features a black dial with classic Speedmaster heritage and modern refinements, offering an ideal balance of sportiness and versatility.

Condition: New/unworn
Case Size: 40mm
Bracelet Length: 7-inch
Warranty Expiration: 6/2025

Posted at

Apr 19, 2026, 4:31 PM

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Omega Speedmaster Racing - 329.30.44.51.01.001 - Box and Papers

Omega - 329.30.44.51.01.001 · $5,795

This is a Omega Speedmaster Racing Chronograph, model number 329.30.44.51.01.001, in pre-owned condition.

Condition: pre-owned with minor wear
Size: 44.25mm diameter
Bracelet material: stainless steel

Posted at

Apr 19, 2026, 1:53 PM

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Omega Speedmaster Date Chronometer 3210.50.00 — Big Seahorse, Cal. 1164 (Serviced) — $2,150 Shipped (Tariff Coverd)

Omega - 3210.50.00 · $2,150

This Omega Speedmaster Date Chronometer features a classic black dial and iconic tachymeter bezel, paired with the Cal. 1164 automatic chronometer-certified movement.

Condition: Honest wear consistent with age, minor signs of use on bezel insert
Case size: 40mm diameter
Movement: Cal. 1164 (ETA 7750 base)
Water resistance: unknown

Posted at

Apr 19, 2026, 8:21 AM

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Omega Speedmaster Moonwatch Sapphire / 310.30.42.50.01.002 / 2022 full set under warranty - $5950

Omega - 310.30.42.50.01.002 · $5,950

For sale is a Omega Speedmaster Moonwatch Sapphire Sandwich, overall in excellent condition.

Condition: Overall excellent condition with normal marks on the case, bracelet, clasp, and caseback
Year: 2022
Warranty: under warranty

Posted at

Apr 18, 2026, 9:40 PM

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Rare Vintage Omega Speedmaster Teutonic Ghost Gray Dial Ref 145.0044

Omega - 145.0044 · $2,795

This is a rare vintage Omega Speedmaster Teutonic model made for the German market in the early 1980s. It features a unique gray dial, bead-blasted case, and integrated bracelet.

Condition: Pre-owned, with wear
Diameter: 42mm
Movement: Manual wound Omega cal 861
Bracelet length: fits up to app 7.25 inches

Posted at

Apr 18, 2026, 9:08 PM

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Omega Speedmaster Dark Side of The Moon Black Ceramic 311.92.44.51.01.006 Full Set

Omega - 311.92.44.51.01.006 · $7,600

This Omega Speedmaster Dark Side of The Moon features a black ceramic case and bezel, with a black dial and vintage Super-LumiNova.

Condition: Excellent preowned condition with no signs of wear on the case, bracelet, bezel or buckle.
Case material: Black Ceramic
Case dimensions: 44.25mm diameter
Bezel material: Black Ceramic

Posted at

Apr 18, 2026, 9:05 PM

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Omega Speedmaster Professional Moon Watch 42mm Steel 311.30.42.30.01.005 Box & Manual

Omega - 311.30.42.30.01.005 · $5,100

A stainless steel Omega Speedmaster Professional Moon Watch in 42mm diameter with a black dial and manual wind movement.

Condition: Preowned with scratches on the case, bracelet, buckle and light scratches on the crystal
Case dimensions: 42mm diameter
Band material: Stainless Steel Bracelet
Additional straps: 2

Posted at

Apr 18, 2026, 8:13 PM

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