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

Reference 310.23.42.50.99.001

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

About this watch

The Omega Speedmaster Professional Moonwatch 3861 is a masterpiece of horology that seamlessly blends heritage, luxury, and modern technology. Its stunning pink sunburst dial radiates warmth and elegance, while the Sedna gold accents harmonize beautifully with the stainless steel case. The chronograph function is easily accessible, making it practical for everyday use. At its heart beats the Omega Caliber 3861 movement, featuring a co-axial escapement and silicon balance spring. This timepiece is not just a watch; it's a statement of sophistication and style that pairs well with both formal and casual attire.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Omega Caliber 3861 movement
  • Sedna gold accents
  • Stainless steel case
  • Tachymeter bezel
  • Water resistance up to 50 meters
  • 42mm diameter
  • Co-axial escapement and silicon balance spring

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink / Alligator
Reference
310.23.42.50.99.001
Movement
3861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
  • Chronometer
Case
42mm
Dial Color
Pink
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] 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)

Posted at
Apr 22, 2026, 1:29 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Professional 🌘 Moonwatch 🌒 Sapphire Sandwich LNIB 9/25

Omega Speedmaster Professional 🌘 Moonwatch 🌒 Sapphire Sandwich LNIB 9/25

Omega - 310.30.42.50.01.002 · $6,875
A Omega Speedmaster Professional in like new condition with a sapphire sandwich case and reference number 310.30.42.50.01.002.

  • Condition: Like new
  • Missing items: outer box, user's manual, Moonwatch booklet, outer pillow
Posted at
Apr 22, 2026, 11:58 AM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Professional Reverse New Apr 2026, $10.2k

Omega Speedmaster Professional Reverse New Apr 2026, $10.2k

Omega - 310.30.42.50.01.004 · $10,200
This Omega Speedmaster Professional Reverse is a brand new watch with a reference number of 310.30.42.50.01.004, coming with its original box and April 2026 warranty.

  • Condition: Brand New
  • Shipping cost: $200 for USA shipping
  • Payment methods: Wire or Credit Card (+4.9% and 4 days clearance)
  • Warranty: Apr 2026 warranty
Posted at
Apr 22, 2026, 9:55 AM
Active
View listing on r/WatchExchange
[WTS] 2021 Omega Speedmaster Racing 329.32.44.51.01.001 Orange Full Set - $6,495

2021 Omega Speedmaster Racing 329.32.44.51.01.001 Orange Full Set - $6,495

Omega - 329.32.44.51.01.001 · $6,495
A 2021 Omega Speedmaster Racing in excellent condition with minimal signs of wear, featuring a orange full set including the watch, inner and outer box, card holder, international warranty card, pictograms card, master chronometer card, and instructions manual.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2021
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
  • Shipping Method: Fedex
Posted at
Apr 22, 2026, 9:47 AM
Active
View listing on r/WatchExchange
[WTS] 2024 OMEGA SPEEDMASTER WHITE DIAL 310.30.42.50.04.001 $7299

2024 OMEGA SPEEDMASTER WHITE DIAL 310.30.42.50.04.001 $7299

OMEGA - 310.30.42.50.04.001 · $7,299
2024 OMEGA SPEEDMASTER WHITE DIAL for sale

Posted at
Apr 22, 2026, 9:23 AM
Active
View listing on r/WatchExchange
[WTS] OMEGA Speedmaster Professional Moonwatch Sapphire Sandwich 311.30.42.30.01.006 Full Set

OMEGA Speedmaster Professional Moonwatch Sapphire Sandwich 311.30.42.30.01.006 Full Set

OMEGA - 311.30.42.30.01.006 · $6,300
The OMEGA Speedmaster Professional Moonwatch Sapphire Sandwich is a highly sought-after watch featuring a sapphire crystal configuration, display caseback, and classic Moonwatch design.

  • Condition: Mint condition with hairline scratches on clasp and around the case
  • Band type: Original bracelet, nylon strap
Posted at
Apr 22, 2026, 1:38 AM
Active
View listing on r/WatchExchange
[WTS] 2021 Omega Speedmaster Professional Moonwatch 310.30.42.50.01.002 Full set Excellent condition

2021 Omega Speedmaster Professional Moonwatch 310.30.42.50.01.002 Full set Excellent condition

Omega - 310.30.42.50.01.002 · $6,400
The Omega Speedmaster Professional Moonwatch is a historic watch that has been in high demand since the Artemis missions. It comes with its full set, including papers and cards.

  • Condition: Excellent condition
  • Papers: Full set of documents and booklets, including the legendary moonwatch booklet
Posted at
Apr 22, 2026, 12:13 AM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster “First Omega in Space” 39.7mm

Omega Speedmaster “First Omega in Space” 39.7mm

Omega - 310.32.40.50.06.001 · $6,700
This Omega Speedmaster "First Omega in Space" is a historically significant variant that pays tribute to the first Omega ever worn in space by astronaut Wally Schirra on October 3rd, 1962. The watch features a symmetrical design with straight lugs and a black aluminium bezel with a tachymeter scale.

  • Condition: Excellent
  • Case size: 39.7mm diameter
  • Movement type: Manually wound
  • Water resistance depth: 50m
Posted at
Apr 21, 2026, 10:25 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Sapphire Sandwich 310.30.42.50.01.002 Like New Unworn condition Full set 6500$ ♟️

Omega Speedmaster Sapphire Sandwich 310.30.42.50.01.002 Like New Unworn condition Full set 6500$ ♟️

Omega - Speedmaster Sapphire Sandwich 310.30.42.50.01.002 · $6,500
A Omega Speedmaster Sapphire Sandwich in excellent condition, with a rich history as the legendary moonwatch.

  • Condition: Like New Unworn
  • Shipping: available via Wire/paypal/Wise
  • Location: Miami Florida
Posted at
Apr 21, 2026, 5:10 PM
Active
View listing on r/WatchExchange