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
50

Current Listings

[WTS] 2022 Omega Speedmaster Dark Side Of The Moon DSOTM "Pitch Black" reference 311.92.44.51.01.004 Box and Papers

2022 Omega Speedmaster Dark Side Of The Moon DSOTM "Pitch Black" reference 311.92.44.51.01.004 Box and Papers

Omega - 311.92.44.51.01.004 · $7,327
A bold and modern interpretation of the legendary Speedmaster, featuring an all-black aesthetic that delivers a sleek, stealthy presence on the wrist.

  • Condition: Excellent
  • Case size: 44.25mm
  • Movement: Manual-wind Co-Axial Caliber 1869
  • Crystal: Sapphire
Posted at
Apr 23, 2026, 3:42 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Broadarrow. Strong Lume.

Omega Speedmaster Broadarrow. Strong Lume.

Omega - Speedmaster Broadarrow · $3,450
A Omega Speedmaster Broadarrow for sale in good condition, with strong lume and running well.

  • Shipping Method: Fedex with insurance
  • Shipping Location: NJ USA
  • Shipping Global Accepted: true
Posted at
Apr 23, 2026, 3:26 PM
Active
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[WTS] Omega Speedmaster Dark Side of the Moon 44.25mm 310.92.44.51.01.002 ( new / 2025 / box and papers )

Omega Speedmaster Dark Side of the Moon 44.25mm 310.92.44.51.01.002 ( new / 2025 / box and papers )

Omega - 310.92.44.51.01.002 · $13,550
This Omega Speedmaster Moonwatch Dark Side of the Moon is a brand new watch on Nylon Fabric Strap with Ceramic Clasp, featuring a 44.25mm black ceramic case and Omega Co-Axial Calibre 9900.

  • Condition: Brand new
  • Case size: 44.25mm diameter
  • Movement: Omega Co-Axial Calibre 9900
Posted at
Apr 23, 2026, 2:11 PM
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[WTS] OMEGA Speedmaster 311.63.44.51.06.001 Dark Side of the Moon Matte Grey w/Box and cards

OMEGA Speedmaster 311.63.44.51.06.001 Dark Side of the Moon Matte Grey w/Box and cards

OMEGA - 311.63.44.51.06.001 · $11,000
A 2021 Omega Dark Side of the Moon Sedna Gold Accent 44mm watch, featuring a laser ablated matte grey dial and an 18k Sedna gold bezel, housed in a ceramic case. The timepiece is comfortable to wear due to its light and durable design.

  • Condition: good
  • Case material: ceramic
  • Case size: 44mm
  • Diameter: 44mm
Posted at
Apr 23, 2026, 12:27 PM
Active
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[WTS] Omega Speedmaster Reduced "Michael Schumacher" Limited Edition, 3517.30.00. Card Included. Collector's watch. Clean..

Omega Speedmaster Reduced "Michael Schumacher" Limited Edition, 3517.30.00. Card Included. Collector's watch. Clean..

Omega - 3517.30.00 · $3,495
A collector's Omega Speedmaster Reduced 'Michael Schumacher' Limited Edition, reference number 3517.30.00, in clean condition.

  • Condition: Clean
  • Card included: yes
  • Shipping method: Fedex with insurance
Posted at
Apr 23, 2026, 12:23 PM
Active
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[WTS] Omega Speedmaster Date 3211.31.00 — Panda Dial — Cal. 1164 (Fresh Service) — $2,550 Shipped (Tariff Covered)

Omega Speedmaster Date 3211.31.00 — Panda Dial — Cal. 1164 (Fresh Service) — $2,550 Shipped (Tariff Covered)

Omega - 3211.31.00 · $2,550
This Omega Speedmaster Date features a panda dial and is powered by Cal. 1164.

  • Condition: pre-owned - fresh service
  • Caliber: Cal. 1164
Posted at
Apr 23, 2026, 11:47 AM
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[WTS] Omega Speedmaster Date Chronometer 3210.50.00 — Cal. 1164 (Serviced) — $2,099 Shipped (Tariff Coverd)

Omega Speedmaster Date Chronometer 3210.50.00 — Cal. 1164 (Serviced) — $2,099 Shipped (Tariff Coverd)

Omega - 3210.50.00 · $2,099
This Omega Speedmaster Date Chronometer features a classic black dial with tri-compax layout, applied markers, and tachymeter bezel, making it a great everyday Speedmaster.

  • Condition: Honest wear consistent with age
  • Calibre: Omega Cal. 1164 (ETA 7750 base)
  • Movement status: Running within spec
  • Bracelet condition: Solid with no major stretch
Posted at
Apr 23, 2026, 11:25 AM
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[WTS] 2025 Omega Speedmaster Sedna Gold 310.60.42.50.01.001 — Like New Condition, Box & Papers

2025 Omega Speedmaster Sedna Gold 310.60.42.50.01.001 — Like New Condition, Box & Papers

Omega - 310.60.42.50.01.001 · $29,500
The Omega Speedmaster Sedna Gold elevates the iconic Moonwatch design with a rich black dial and contrasting subdials, powered by a Master Chronometer manual-wind movement.

  • Condition: Like new condition, small ding on bezel near 12 o'clock
  • Movement type: Master Chronometer manual-wind movement
  • Case dimensions: 42mm diameter, 47.5mm lug to lug, 13.2mm thick
Posted at
Apr 23, 2026, 9:09 AM
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[WTS] (Reserved for u/vohms) Omega Speedmaster Moonwatch White Dial

(Reserved for u/vohms) Omega Speedmaster Moonwatch White Dial

Omega - Speedmaster Moonwatch · $7,800
This Omega Speedmaster Moonwatch features a white dial, and comes with its full set of accessories, including boxes, papers, warranty card, pictogram card, Master Chronometer card, and extra links.

  • Condition: Overall mint condition
  • Set included: 2025 full set
  • Extra links: 1
Posted at
Apr 23, 2026, 12:06 AM
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