Omega Speedmaster Speedmaster Professional Moonphase Broad Arrow Stainless Steel / Silver / Strap

Reference 3875.30.31

Omega Speedmaster Professional Moonphase Broad Arrow Stainless Steel / Silver / Strap

About this watch

The Omega Speedmaster Professional Moonphase Broad Arrow (model 3875.30.31) is a luxury watch that embodies precision, quality, and timeless design. This piece of history is part of the legendary 'Moonwatch' series, which was first worn on the moon during the Apollo missions. The 3875.30.31 model features the Omega caliber 1866 movement, a handwound chronograph movement that showcases exceptional engineering and precision. The watch's combination of white gold and stainless steel gives it a luxurious yet durable feel, while its sapphire glass provides scratch resistance for daily wearers. With a diameter of 42 mm and a lug width of 20 mm, this watch sits comfortably on the wrist, offering a classic look that complements both formal and casual attire. One of the standout features is its moonphase display at the 12 o'clock position, serving as a functional complication that appeals to enthusiasts who appreciate celestial aspects of watchmaking. The chronograph function allows for precise timing, making it practical and fun to use. The Omega Speedmaster Professional Moonphase is water-resistant up to 50 meters, suitable for everyday activities but not recommended for swimming or diving. This model comes with a sturdy strap that ensures a secure fit on the wrist, complementing its overall aesthetic and offering adjustability for different wrist sizes. At a reasonable weight, the 3875.30.31 feels substantial without being cumbersome, striking a perfect balance suitable for both all-day wear and special occasions.

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Key Features

Handwound chronograph movement (Caliber 1866)
Moonphase display at 12 o'clock position
Tachymeter bezel
Sapphire glass
Water-resistant up to 50 meters
Sturdy strap with adjustability
Reasonable weight and balance

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonphase Broad Arrow Stainless Steel / Silver / Strap

Reference

3875.30.31

Movement

1866

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph
Moonphase

Case

42mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

Current Listings

Omega Speedmaster 3519.50.00 “Schumacher World Champion 2001” LE — Carbon Racing Dial — only $2400 Shipped (Tariff Covered)

Omega - 3519.50.00 · $2,400

A Limited Edition Omega Speedmaster ref. 3519.50.00 ‘Schumacher World Champion 2001’ produced in 11,111 pieces to celebrate Michael Schumacher’s F1 title, featuring a distinctive racing dial and bold lume plots.

Condition: Honest condition with light signs of use
Case Size: 39mm
Lug To Lug: 44mm
Thickness: 14mm

Posted at

May 18, 2026, 10:31 AM

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2025 Omega Speedmaster Moonwatch Professional White 42mm 310.30.42.50.04.001 — Excellent Condition, Box & Papers

Omega - 310.30.42.50.04.001 · $7,500

The Omega Speedmaster Moonwatch Professional White features a striking white lacquered dial, black hands and markers for exceptional legibility, and a classic asymmetrical case with a tachymeter bezel.

Condition: Excellent condition with minor signs of wear on clasp and case
Case Diameter: 42mm
Lug To Lug: 47.5mm
Thickness: 13.2mm

Posted at

May 18, 2026, 9:29 AM

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[US] Omega Speedmaster Moonwatch Professional - Reverse Panda - 42mm - 310.30.42.50.01.004 - Full Set - BRAND NEW

Omega - 310.30.42.50.01.004 · $10,650

This Omega Speedmaster Moonwatch Professional features a 42mm case and is in pristine condition with zero hairlines.

Condition: Brand new, unworn, and in pristine condition
Case Size: 42mm

Posted at

May 18, 2026, 6:09 AM

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Omega Speedmaster 38 Co-Axial Chronograph — Box and Papers — Ref. 324.30.38.50.01.001 — Excellent Condition

Omega - 324.30.38.50.01.001 · $5,000

The Omega Speedmaster 38 Co-Axial Chronograph is a discontinued reference with full Speedmaster heritage in a 38mm case, featuring a black tri-register dial and COSC chronometer certification.

Condition: Excellent
Case size: 38mm
Movement: Omega Co-Axial Calibre 3330 - Automatic Chronograph
Dial color: Black

Posted at

May 17, 2026, 11:55 PM

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Omega Speedmaster Dark Side Of The Moon Pitch Black. Complete set. $7200

Omega - 311.92.44.51.01.004 · $7,200

A bold and ultra-modern take on the iconic Moonwatch, made entirely from sleek black ceramic.

Condition: Excellent, mint-tier condition with virtually no signs of wear
Case Size: 44.25mm diameter
Movement: OMEGA Calibre 9300 Co-Axial Automatic Chronometer with 60-Hour Power Reserve

Posted at

May 17, 2026, 9:42 PM

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[WTS] FIRST ONE WAS GIVEN TO THE PRESIDENT! Rare Vintage 18K Gold Omega Speedmaster “Tribute to Astronauts” Ref BA145.022 - Unpolished Collector Dream!

FIRST ONE WAS GIVEN TO THE PRESIDENT! Rare Vintage 18K Gold Omega Speedmaster “Tribute to Astronauts” Ref BA145.022 - Unpolished Collector Dream!

Omega - BA145.022-69 · $47,500

This is one of the coolest watches ever made, a rare vintage 18K gold Omega Speedmaster 'Tribute to Astronauts' ref BA145.022-69. Only 1014 were made, starting in November 1969, and this is one of them.

Condition: Unpolished, all original with incredible patina forming on the gold
Dial material: 18K gold
Bezel condition: Correct DON (dot over 90) maroon bezel with light wear
Case size: 42MM

Posted at

May 17, 2026, 9:26 PM

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Rare Vintage Omega Speedmaster Teutonic Hand Wound Gray Dial Ref 145.0044 - $2750 SHIPPED!

Omega - 145.0044 · $2,750

A rare vintage Omega Speedmaster Teutonic Hand Wound Gray Dial, made for the German market in the early 1980s, characterized by its bead-blasted case and integrated bracelet.

Condition: Pre-owned with wear, mostly scratches and nicks on the bezel
Case size: 42MM diameter
Bezel condition: Ghost with scratches and nicks
Crystal type: Sapphire

Posted at

May 17, 2026, 9:15 PM

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