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 Professional Sapphire Sandwich (2025) – Adjustable Clasp – Near Mint – $6,800

Omega Speedmaster Professional Sapphire Sandwich (2025) – Adjustable Clasp – Near Mint – $6,800

The Omega Speedmaster Professional Sapphire Sandwich is a high-end watch with an updated adjustable clasp, offering convenient sizing without tools. The watch features a sapphire crystal and is available in the 2025 model.

  • Condition: Near mint
  • Year: 2025
  • Crystal material: Sapphire
  • Bracelet type: Omega
Posted at
Mar 2, 2026, 8:59 AM
Active
[WTS] 2026 Omega Speedmaster White Dial 310.32.42.50.04.001

2026 Omega Speedmaster White Dial 310.32.42.50.04.001

a 2026 Omega Speedmaster White Dial is being sold in this listing, but no details are provided about its condition or features.

Posted at
Mar 2, 2026, 12:53 AM
Active
[WTS] Omega Speedmaster “Silver Snoopy Award” 50th anniversary ref 310.32.42.50.02.001

Omega Speedmaster “Silver Snoopy Award” 50th anniversary ref 310.32.42.50.02.001

Omega - 310.32.42.50.02.001 · $15,850
The Omega Speedmaster 'Silver Snoopy Award' 50th anniversary watch features a white and blue combo that is highly desirable.

  • Condition: Unworn
  • Set type: Complete set
Posted at
Mar 1, 2026, 8:34 PM
Active
[WTS] Omega Speedmaster Moonwatch White Dial 2025 Full Set $8,000 [USA]

Omega Speedmaster Moonwatch White Dial 2025 Full Set $8,000 [USA]

A white Omega Speedmaster Moonwatch from the iconic company that sent the first watch to the moon, with minor marks and a full set.

  • Condition: very lightly worn with minor marks
  • Year: 2025
  • Dimensions: 42mm diameter
  • Bracelet size: 7.25"
Posted at
Mar 1, 2026, 4:05 PM
Active
[WTS] 2025 Omega Speedmaster Professional White 310.30.42.50.04.001 $7,490

2025 Omega Speedmaster Professional White 310.30.42.50.04.001 $7,490

The Omega Speedmaster Moonwatch Professional features a glossy white lacquered dial, black markers, and red 'Speedmaster' text, with an updated 3861 movement and a sapphire crystal.

  • Condition: Excellent condition
  • Case Size: 42mm
  • Case Thickness: 13.2mm
  • Lug Width: 20mm
Posted at
Mar 1, 2026, 3:35 PM
Active
[WTS] Omega Speedmaster 38 Co-Axial Chronograph 324.30.38.50.02.001 Full Set- $3650

Omega Speedmaster 38 Co-Axial Chronograph 324.30.38.50.02.001 Full Set- $3650

This Omega Speedmaster 38 Co-Axial Chronograph features a silver dial and is in excellent condition, showing very minimal wear. The watch includes its original certificate of authenticity from Watchfinder.

  • Condition: excellent overall condition with very minimal wear
  • Case Material: stainless steel
  • Bracelet Type: stainless steel
  • Bracelet Condition: brand-new, unworn
Posted at
Mar 1, 2026, 11:03 AM
Active
[WTS] Omega 3510.21 Speedmaster Reduced Panda ‘Marui’ Japan LE (2,000pcs) — Fullset — $6,300 Shipped

Omega 3510.21 Speedmaster Reduced Panda ‘Marui’ Japan LE (2,000pcs) — Fullset — $6,300 Shipped

Omega - 3510.21 · $6,300
A compact Omega Speedmaster Reduced featuring a white dial and contrasting black sub-dials. The 39mm automatic chronograph is powered by Omega Cal. 3220.

  • Condition: Pre-owned with normal signs of wear consistent with age
  • Case size: 39mm diameter
  • Movement: Omega Cal. 3220
  • Bracelet type: Original Omega stainless steel bracelet
Posted at
Mar 1, 2026, 8:46 AM
Active
[WTS] OMEGA Speedmaster Moonwatch White Dial Steel Leather 310.32.42.50.04.002

OMEGA Speedmaster Moonwatch White Dial Steel Leather 310.32.42.50.04.002

This OMEGA Speedmaster Moonwatch features a white dial with contrasting black subdials and a 42mm stainless steel case, paired with a black leather strap.

  • Condition: Excellent
  • Case size: 42mm
  • Material: stainless steel
  • Band material: leather
Posted at
Mar 1, 2026, 8:45 AM
Active
[WTS] Omega Speedmaster Reduced 3510.50 – Black Dial – Automatic – On Bracelet – $2,850 Shipped

Omega Speedmaster Reduced 3510.50 – Black Dial – Automatic – On Bracelet – $2,850 Shipped

Omega - 3510.50 · $2,850
a Omega Speedmaster Reduced on a bracelet with black dial and automatic movement

  • Case size: 40mm
Posted at
Mar 1, 2026, 4:32 AM
Active