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.
Buy Now on Jomashop
This is an affiliate link
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  Gray side of the Moon

Omega Speedmaster Gray side of the Moon

Omega - 311.92.44.51.01.004 · $45,000
  • Material: Titanium
Posted at
Jul 7, 2025, 7:13 PM
Active
Omega Speedmaster Dark Side of the Moon DSOTM Black Ceramic Co-Axial 9300 Ref - 311.92.44.51.01.007

Omega Speedmaster Dark Side of the Moon DSOTM Black Ceramic Co-Axial 9300 Ref - 311.92.44.51.01.007

Omega - 9300 · $6,969.007
The Omega Speedmaster is an icon in the watch world. The Dark Side of the Moon has gained a following of its own right.

  • Case material: ceramic
  • Strap: custom Aaron Bespoke strap, Omega Nato strap
Posted at
Jul 7, 2025, 6:10 PM
Active
[WTS] Omega Speedmaster - Grey Side of the Moon Meteorite

Omega Speedmaster - Grey Side of the Moon Meteorite

This Omega Speedmaster features a grey dial and a meteorite case back, with excellent working and looking condition.

  • Condition: 9/10
  • Case material: stainless steel
  • Band: metallic band
Posted at
Jul 7, 2025, 5:55 PM
Active
[WTS] Omega Speedmaster Teutonic 145.0040

Omega Speedmaster Teutonic 145.0040

Omega - 145.0040 · $2,999
This Omega Speedmaster Teutonic is a rare and unique model produced for the German market in the early 1980s. It features an integrated style with a cold steel case and soft natural hues on the dial.

  • Condition: Used, serviced and gifted a new mainspring
  • Case size: 40mm diameter
  • Box and papers: * box but no papers
Posted at
Jul 7, 2025, 4:47 PM
Active
Omega Speedmaster Moonwatch Nasa Velcro Hook & Loop Strap ( excellent )

Omega Speedmaster Moonwatch Nasa Velcro Hook & Loop Strap ( excellent )

Omega - SEB12100030-202 · $195.002
A 20mm lug width Omega Speedmaster Moonwatch with a NASA Velcro hook and loop strap, reference # P/N SEB12100030-202.

  • Condition: Excellent
  • Lug Width: 20mm
  • Strap Type: NASA Velcro hook and loop
Posted at
Jul 7, 2025, 3:13 PM
Active
Omega Speedmaster Moonwatch 2018 Hesalite 311.30.42.30.01.005 - Big Box Full Set

Omega Speedmaster Moonwatch 2018 Hesalite 311.30.42.30.01.005 - Big Box Full Set

Omega - 311.30.42.30.01.005 · $4,900.005
The Omega Speedmaster Moonwatch is a iconic watch in fantastic condition with a hesalite crystal and comes with a bracelet, NATO strap, and Velcro strap.

  • Condition: Fantastic, small imperfections on hesalite
  • Crystal: Hesalite
  • Bracelet: Fully linked
  • Straps: NATO and Velcro
Posted at
Jul 7, 2025, 2:40 PM
Active
Omega Speedmaster Moonwatch 2018 Hesalite 311.30.42.30.01.005 - Big Box Full Set

Omega Speedmaster Moonwatch 2018 Hesalite 311.30.42.30.01.005 - Big Box Full Set

Omega - 311.30.42.30.01.005 · $4,900.005
A Omega Speedmaster Moonwatch in fantastic condition with only small imperfections on the hesalite, comes with a fully linked bracelet and multiple straps.

  • Condition: Fantastic, small imperfections on the hesalite
  • Bracelet Condition: Incredible
  • Included Straps: NATO, Velcro strap
Posted at
Jul 7, 2025, 1:46 PM
Active