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 Co Axial Chronograph 38mm 324.30.38.50.01.001 $3150

Omega Speedmaster Co Axial Chronograph 38mm 324.30.38.50.01.001 $3150

Omega - 324.30.38.50.01.001 $3,150
For sale is a 2021 Omega Speedmaster Co Axial Chronograph in 38mm with extended warranty till 2026, accompanied by box and papers.

  • Condition: Light scratches on the crystal, clean crystal
  • Size: 38mm diameter
  • Warranty expiration year: 2026
Posted at
May 23, 2025, 7:22 AM
Active
Omega Speedmaster Professional Apollo 15 40th Anniversary 311.30.42.30.01.003

Omega Speedmaster Professional Apollo 15 40th Anniversary 311.30.42.30.01.003

Omega - 311.30.42.30.01.003 $6,299.006
This is a limited edition Omega Speedmaster Professional Apollo 15th 40th Anniversary watch, featuring red, white, and blue subdials and tri-colors along the edge of the dial. It has a manual movement and comes with an exhibition caseback that makes it thinner.

  • Condition: Pre-owned with minor signs of wear
  • Material: Stainless Steel
  • Movement: Calibre 1861 manual
  • Thickness: 13mm (with exhibition caseback)
Posted at
May 23, 2025, 5:38 AM
Active
[WTS] Omega Speedmaster Reduced馃敟$2500馃敟

Omega Speedmaster Reduced馃敟$2500馃敟

Omega - Speedmaster Reduced $2,500
This Omega Speedmaster Reduced is a luxury watch being sold on Watchexchange. It comes complete with its box and warranty card, but the warranty has expired as indicated by an undated document.

  • Shipping: included for free if purchased from Instagram
  • Payment Methods: wise, wire, crypto, credit card (+4.9%)
Posted at
May 23, 2025, 5:16 AM
Active
2004 Omega Speedmaster 1957 Reissue From Japan Complete Full Set Box Cards Tag

2004 Omega Speedmaster 1957 Reissue From Japan Complete Full Set Box Cards Tag

Omega - 3594.50 $3,495.003
This is a 2004 Omega Speedmaster 1957 Reissue From Japan, with an OEM chrome tension ring installed to give it the original look of the 1957 OG Speedmaster. It comes in a full set, including the original tag and red box.

  • Condition: Excellent
  • Band included: Original full length band
  • Additional band: OEM Speemdaster Moonwatch Apollo 11 50th Anniversary flat link band ($595)
  • Caseback: Unmarked exhibition sapphire caseback ($50)
Posted at
May 22, 2025, 10:55 PM
Active
[WTS] NIB Official Omega Link for Speedmaster Bracelet Part 114ST1620

NIB Official Omega Link for Speedmaster Bracelet Part 114ST1620

A new Official Omega Link for Speedmaster Bracelet, part number 114ST1620, designed to fit various Omega bracelets.

  • Available Payment Methods: zelle,paypal F&F or venmo
  • Shipping Included: true
Posted at
May 22, 2025, 8:11 PM
Active
Omega Speedmaster - Sedna Gold FOIS - 311.63.40.30.02.001 ( excellent )

Omega Speedmaster - Sedna Gold FOIS - 311.63.40.30.02.001 ( excellent )

Omega - 311.63.40.30.02.001 $11,450.001
Up for sale is an Omega Speedmaster Moonwatch First Omega In Space ( FOIS ) Numbered Edition in Sedna Gold 39.7mm Panda Dial on Leather Strap. The watch comes complete with all boxes, papers, booklets, hang tag and Omega Warranty Card dated March 2019.

  • Condition: Excellent Condition
  • Case material: Sedna Gold
  • Diameter: 39.7mm
  • Calibre: Omega 1861
Posted at
May 22, 2025, 3:23 PM
Active
Omega Speedmaster - Dark Side of the Moon - 311.92.44.51.01.007 ( new / 2024 )

Omega Speedmaster - Dark Side of the Moon - 311.92.44.51.01.007 ( new / 2024 )

Omega - 311.92.44.51.01.007 $9,450.009
This is a brand new Omega Speedmaster Moonwatch Dark Side of the Moon, featuring a 44.25mm ceramic black case and Omega Co-Axial Calibre 9300.

  • Condition: Brand new
  • Case material: Ceramic
  • Case size: 44.25mm
  • Movement: Omega Co-Axial Calibre 9300
Posted at
May 22, 2025, 3:22 PM
Active
Omega Speedmaster CK2998 - Blue - 311.33.40.30.02.001 ( excellent )

Omega Speedmaster CK2998 - Blue - 311.33.40.30.02.001 ( excellent )

Omega - 311.33.40.30.02.001 $6,995.007
Up for sale is an excellent condition Omega Speedmaster Limited Edition CK2998 with Blue Panda Dial & Strap, reference # 311.33.40.30.02.001 It comes with all boxes, papers, booklets, extra strap and bracelet, and Omega Warranty Card dated September 2016.

  • Condition: Excellent Condition
  • Case material: Stainless Steel
  • Movement: Omega Calibre 1861
  • Size: 39.7mm
Posted at
May 22, 2025, 3:22 PM
Active
Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (excellent)

Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (excellent)

Omega - 310.30.42.50.01.002 $5,995.006
This Omega Speedmaster Moonwatch Professional Sapphire features a 42mm stainless steel case, adjustable clasp, and Omega Master Chronometer Movement.

  • Condition: Excellent Condition / Complete Set
  • Case diameter: 42mm
  • Movement: Omega Master Chronometer Movement
Posted at
May 22, 2025, 3:21 PM
Active