Omega Speedmaster Speedmaster Professional Moonphase / Strap

Reference 3876.50.31

Omega Speedmaster Professional Moonphase / Strap

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

Current Listings

omega speedmaster Mario. Year-1999. Excellent condition. Box and Papers included

Omega - Marui (Speedmaster) · $4,200

This Omega Speedmaster is a rare Japanese model, known as the Marui, from 1999. It's in great condition with its original box and papers.

Condition: Excellent condition
Year: 1999
Location: Japan

Posted at

Dec 23, 2025, 9:37 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Professional White Dial (Full Set 9/2025)

Omega - 310.32.42.50.04.001 · $7,400

Up for sale is a beautiful Omega Speedy Pro White Dial, it comes with box & papers dated 09/2025 and has been worn only a few times.

Condition: Great condition with minimal wear
Movement type: Manual Wind
Size: 42mm diameter
Accessories included: Box & papers

Posted at

Dec 23, 2025, 8:49 PM

Active

View listing on r/WatchExchange

Omega 20mm OEM Integrated Speedmaster Moonwatch Professional Black Rubber Strap (Sold Out) & Omega OEM Deployant Clasp $550 Shipped

Omega - 032Z017245 · $550

This is a listing for an Omega Speedmaster Moonwatch Professional with a black rubber strap and deployant clasp. The watch features a 20mm lug size.

Material: Black Rubber
Ends: curved
Lug width: 20mm/16mm

Posted at

Dec 23, 2025, 8:36 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Milano-Cortina 2026 LE (BNIB)

Omega - 522.30.38.50.04.001 · $7,800

A special Speedmaster created to celebrate the Milano-Cortina 2026 Winter Games with a distinctive design. This limited edition blends classic Speedy DNA with unique dial and color accents.

Condition: New, unworn (BNIB)
Size: 38mm diameter
Movement: Automatic Cal 3330
Accessories: Box & papers

Posted at

Dec 23, 2025, 7:59 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Moonwatch Professional Sapphire Sandwich 310.30.42.50.01.002

Omega - 310.30.42.50.01.002 · $5,500

This is a mint Omega Speedmaster Moonwatch Professional Sapphire Sandwich with additional accessories including box, warranty cards, outer box, and links.

Condition: mint
Box: yes
Warranty card: 3 cards
Outer box: yes

Posted at

Dec 23, 2025, 5:40 PM

Active

View listing on r/WatchExchange

Omega Speedmaster. Moonwatch. Sapphire Sandwich. Mitsukoshi Dial - 300 Limited Edition

Omega - Speedmaster Professional · $7,850

This is a limited edition Omega Speedmaster Moonwatch featuring a Mitsukoshi dial, one of only 300 produced. It includes a full kit and comes with both the modified and original dials.

Dial material: Mitsukoshi Dial (limited edition)
Additional dials included: OEM Black Speedy Dial
Case size: 40mm diameter

Posted at

Dec 23, 2025, 2:08 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Professional Rubber Strap + Clasp

Omega · $499

Additional Details: Like new, pristine. For the Moonwatch works on older Moonwatch models as well.

Condition: like new
Lug Width: 20mm
Clasp Width: 16mm

Posted at

Dec 23, 2025, 12:15 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Saphire full set 2021

Omega - Speedmaster Professional 'Saphire Sandwich' Edition · $4,500

The Omega Speedmaster Professional 'Saphire Sandwich' Edition features the 3861 Movement, and comes with its original box, papers, and warranty card.

Condition: Excellent
Movement: 3861

Posted at

Dec 23, 2025, 11:06 AM

Active

View listing on r/WatchExchange

Omega Speedmaster 3520.53 Box & Card - $2,900

Omega - 3520.53 · $2,900

A 39mm Omega Speedmaster 3520.53 in great condition, featuring an automatic movement and a steel case on an original Omega Steel bracelet.

Condition: 8.8/10 great condition with some usage marks and micro scratches on the blue AR coating
Case size: 39mm diameter
Movement type: automatic
Bracelet length: fits up to 7 inch wrists

Posted at

Dec 22, 2025, 9:30 PM

Active

View listing on r/WatchExchange