Omega Speedmaster Speedmaster Professional Moonphase / Strap

Reference 3876.50.31

About this watch

The Omega Speedmaster Professional Moonphase is an exquisite blend of precision, technology, and style, boasting a storied history in horology. With its classic yet sporty design, this watch exudes sophistication, featuring a black dial highlighted by the stainless steel case. The stick and dot indexes provide excellent visibility, while the moonphase complication adds a touch of elegance to its sporty demeanor. At its heart lies the Omega caliber 1866, a handwound chronograph movement renowned for precision and reliability. With a power reserve of 45 hours, it's designed to withstand daily wear and tear, making it an excellent choice for both men and women. The watch's durability is further enhanced by its sapphire crystal, ensuring that the beauty of the dial remains unblemished over time. Water-resistant up to 50 meters, this watch is suitable for splashes and brief immersions in water. Whether you're a collector, space enthusiast, or simply looking for a reliable timepiece, the Speedmaster Professional Moonphase ticks all the boxes, offering a perfect blend of functionality, style, and history.
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MSRP: $5,900
Market Price: $5,287

Key Features

  • Omega Caliber 1866 Handwound Chronograph Movement
  • 42mm Stainless Steel Case with Tachymeter Bezel
  • Sapphire Crystal for Scratch-Resistant Durability

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonphase / Strap
Reference
3876.50.31
Movement
1866
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph
  • Moonphase
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] Omega Speedmaster. Moonwatch. 3590.50. Tritium. Gorgeous patina. 🔥

Omega Speedmaster. Moonwatch. 3590.50. Tritium. Gorgeous patina. 🔥

Omega - 3590.50 · $3,750
This Omega Speedmaster features a tritium dial and is described as having gorgeous patina.

  • Condition: Gorgeous patina
  • Shipping: Fedex with insurance
  • Location: NJ USA
  • Global Shipping: true
Posted at
Aug 29, 2025, 3:51 PM
Active
[WTS] Omega Speedmaster Speedy Tuesday - MINT UNWORN $15,000

Omega Speedmaster Speedy Tuesday - MINT UNWORN $15,000

Omega - ST1 · $15,000
A rare and hard-to-find Omega Speedmaster Speedy Tuesday ST1, completely unused and in pristine condition.

  • Condition: Mint unworn
  • Box included: yes, with warranty cards and accessories
  • Warranty: still valid
Posted at
Aug 29, 2025, 2:15 PM
Active
[WTS] Omega Speedmaster. Broadarrow. Strong Lume. 🔥

Omega Speedmaster. Broadarrow. Strong Lume. 🔥

Omega - Speedmaster · $3,295
A Broadarrow Omega Speedmaster in good condition with strong functionality and good lume. The watch is located in NJ USA.

  • Shipping Details: Fedex with insurance, NJ USA, global shipping accepted
Posted at
Aug 29, 2025, 12:31 PM
Active
[WTS] Omega Speedmaster Professional White 42MM - Ref 310.30.42.50.04.001 - Full Kit

Omega Speedmaster Professional White 42MM - Ref 310.30.42.50.04.001 - Full Kit

This listing is for a 42MM Omega Speedmaster Professional White watch, a preowned timepiece in great shape.

  • Condition: preowned in fantastic condition
  • Case Size: 42mm
  • Water Resistance: 50m
  • Warranty Years: 5
Posted at
Aug 29, 2025, 10:45 AM
Active
[WTS] BNIB Omega Speedmaster Professional White Dial 3861

BNIB Omega Speedmaster Professional White Dial 3861

Omega - 3861 · $6,800
A brand new Omega Speedmaster Professional watch with a white dial, sold on rubber with full set boxes and papers.

  • Condition: Brand new in box (BNIB)
  • Dial color: white
Posted at
Aug 29, 2025, 10:11 AM
Active
[WTS] Omega Speedmaster Dark Side of the Moon Apollo 8 - BOX & PAPERS 311.92.44.30.01.001

Omega Speedmaster Dark Side of the Moon Apollo 8 - BOX & PAPERS 311.92.44.30.01.001

A textured chronograph featuring a lunar motif and exhibition caseback, with a black ceramic case and 50m water resistance.

  • Condition: Good condition with little to no visible wear, minor wear on strap
  • Case material: Black Ceramic
  • Case diameter: 44.25mm
  • Water-resistance: 50m
Posted at
Aug 29, 2025, 9:38 AM
Active
[WTS] Omega Speedmaster Professional Moonwatch 310.32.42.50.01.001

Omega Speedmaster Professional Moonwatch 310.32.42.50.01.001

This Omega Speedmaster Professional Moonwatch is a high-end timepiece in excellent condition, featuring a forester bracelet and original nylon strap.

  • Condition: amazing condition with hardly any signs of wear
  • Bracelet: forester
  • Strap: original nylon
  • Box: missing outer box
Posted at
Aug 29, 2025, 9:03 AM
Active
[WTS] 2025 Omega Speedmaster Professional Moonwatch ‘Silver Snoopy Award’ 50th 310.32.42.50.02.001 Complete Set Mint

2025 Omega Speedmaster Professional Moonwatch ‘Silver Snoopy Award’ 50th 310.32.42.50.02.001 Complete Set Mint

Omega - 310.32.42.50.02.001 · $16,750
The Omega Speedmaster Professional Moonwatch ‘Silver Snoopy Award’ 50th Anniversary celebrates Omega’s historic recognition from NASA astronauts for its role in the Apollo 13 mission.

  • Condition: Mint
  • Case size: 42mm diameter
  • Straps included: bracelet and rubber straps
Posted at
Aug 29, 2025, 5:20 AM
Active
[WTS] 2015 Omega Speedmaster Grey Side of Moon Platinum 311.93.44.51.99.001 Full Set

2015 Omega Speedmaster Grey Side of Moon Platinum 311.93.44.51.99.001 Full Set

This is a 2015 Omega Speedmaster Grey Side of Moon Platinum, featuring a grey ceramic case and a platinum dial.

  • Condition: Very nice condition!
  • Case material: Grey Ceramic
  • Bezel material: Grey Ceramic Tachymeter Bezel
  • Dial color: Platinum
Posted at
Aug 28, 2025, 7:44 PM
Active