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.

Buy Now on Jomashop

This is an affiliate link

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 Moonwatch Professional Co-Axial Master Chronometer Chronograph 42mm 310.30.42.50.04.001

Omega - 310.30.42.50.04.001 · $8,600.009

This Omega Speedmaster Moonwatch Professional is a modern version of the classic chronograph, featuring a 42mm steel case and a sapphire crystal.

Condition: Like New/Unworn
Case material: Steel
Bracelet material: Steel
Crystal material: Sapphire

Posted at

Jun 16, 2025, 3:21 PM

Active

View listing on WatchUseek

Omega Speedmaster X-33 Full Service 6/25

Omega - X-33 · $2,400

This Omega Speedmaster X-33 is a recent service with a complete overhaul, making it ready to wear and backed by a 2-year warranty from Omega.

Condition: pristine condition
Service Date: 6/25
Warranty Expires: 6/4/2025

Posted at

Jun 16, 2025, 11:26 AM

Active

View listing on r/WatchExchange

Omega Speedmaster Tuetonic - Black dial (in UK)

Omega - 145.0040 · £1,300.001

This Omega Speedmaster Teutonic features a black dial, manual wind movement, and an integrated bracelet. The watch has a case width of 45mm and a thickness of 12.5mm.

Condition: Good condition for age, with some scratches and minor wear
Case Width: 45mm
Bezel Diameter: 39mm
Lug To Lug Width: 46mm

Posted at

Jun 16, 2025, 10:28 AM

Active

View listing on WatchUseek

Omega Speedmaster Moonwatch Professional 311.30.42.30.01.006 - Box & Papers

Omega - 311.30.42.30.01.006 · $5,369

The Omega Speedmaster blends iconic style with top-tier performance. Its 42mm stainless steel case and black tachymeter bezel create a bold, timeless look.

Condition: great overall condition with minor wear only seen upon close inspection
Box Papers: true
Movement: 1863 manual-winding movement
Case Back Engraving: The First Watch Worn on The Moon

Posted at

Jun 16, 2025, 9:43 AM

Active

View listing on r/WatchExchange

Omega Speedmaster Apollo 17 45th Anniversary (2-yr warranty) Ref: 311.30.42.30.03.001

Omega - 311.30.42.30.03.001 · $8,200

A rare and exquisite Omega Speedmaster Apollo XVII, a limited edition timepiece that commemorates the 45th anniversary of the final moon landing in 1972. The watch features a polished blue ceramic case, bezel, and dial, as well as 18K yellow gold indexes and hour-minute hands coated in Super-LumiNova.

Condition: Very good condition with slight imperfections on the dial
Case size: 42mm diameter
Water resistance: 50m / 167ft depth rating
Movement: OMEGA Calibre 1861, Manual-Winding Chronograph Movement

Posted at

Jun 16, 2025, 9:11 AM

Active

View listing on r/WatchExchange

Omega Speedmaster 145.022-74 ST Moonwatch

Omega - 145.022-74 ST Moonwatch · $4,150

A vintage, pristine Omega Speedmaster Professional with a Calibre 861 movement, featuring a moonphase complication and a 1171 bracelet.

Condition: Vintage Pristine
Movement: Calibre 861
Bracelet: Omega 1171
Crystal: Original

Posted at

Jun 16, 2025, 12:23 AM

Active

View listing on r/WatchExchange

Omega Speedmaster Professional 3861 Hesalite Full set

Omega - 3861 · $5,050.005

This Omega Speedmaster Professional is in excellent condition, with a 42mm diameter and Hesalite crystal. It's dated May 2023 and has a screw-in steel caseback.

Condition: Very good
Case size: 42mm diameter
Crystal type: Hesalite
Water resistance: 50 meters

Posted at

Jun 15, 2025, 10:12 PM

Active

View listing on WatchUseek