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

New 2025 Omega Speedmaster Moonwatch Professional Hesalite Black Dial Full 4/25 Ref: 310.30.42.50.01.001

Omega - 310.30.42.50.01.001 · $5,799

This Omega Speedmaster Moonwatch Professional features a black lacquered dial and is powered by the manual-winding 3861 movement.

Condition: 10/10, Unworn with stickers
Movement: Manual wind
Diameter: 42mm
Water resistance: 50M

Posted at

May 1, 2025, 9:01 AM

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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

The Omega Speedmaster Apollo XVII is a limited edition timepiece commemorating the 45th anniversary of the final moon landing in 1972. This watch features a polished blue ceramic bezel with tachymeter scale, a dial with 18K yellow gold indexes and hour-minute hands coated in Super-LumiNova, and an engraved caseback.

Condition: Very good
Case size: 42mm
Water resistance: 50 meters / 167 feet
Movement: Manual-Winding Chronograph

Posted at

May 1, 2025, 8:44 AM

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Omega Speedmaster Automatic Triple Calendar Chronograph 3220.50 $2199

Omega - 3220.50 · $2,199

A beautiful Omega Speedmaster 3220.50 Triple Calendar Chronometer Chronograph with a 40mm steel case and Valjoux 7751 based automatic movement.

Case size: 40mm
Movement: Valjoux 7751 based automatic
Crystal coating: AR coated sapphire

Posted at

May 1, 2025, 5:41 AM

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Omega Speedmaster Moonwatch White Dial (310.30.42.50.04.001)

Omega - 310.30.42.50.04.001 · $6,950

This Omega Speedmaster Moonwatch features a white dial and is sold with its original boxes, papers, warranty card, pictogram card, and Master chronometer certificate.

Condition: Mint condition
Accessories included: boxes, papers, warranty card, pictogram card, Master chronometer certificate

Posted at

Apr 30, 2025, 10:55 PM

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Omega Speedmaster Reduced Two Tone

Omega - 3714.20.80 · $2,500

A rare two-tone Omega Speedmaster Reduced, in overall good condition for its age, with a white dial and 18k gold bezel.

Condition: good condition with some wear on the case and bezel
Movement: Cal 1140
Size: 39mm diameter
Case material: two tone

Posted at

Apr 30, 2025, 8:55 PM

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Omega Speedmaster Day Date 3521.30 1800$

Omega - Speedmaster Day Date 3521.30 · $1,800

Posted at

Apr 30, 2025, 5:58 PM

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1997 Omega Speedmaster Professional Gemini V (Ref. 345.0022)

Omega - 345.0022 · $8,999

The Omega Speedmaster Professional Gemini V Watch commemorates the NASA Gemini V mission, featuring a unique 9 o'clock sub-dial with the mission patch and a limited release of 150 models.

Condition: Excellent/like new
Case size: 42mm diameter
Bracelet type: Omega 1499 with 842 end pieces
Box papers status: Original inner/outer boxes and booklets present

Posted at

Apr 30, 2025, 4:57 PM

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OEM Omega Rubber strap for Speedmaster Racing 40mm coaxial 19mm - 98000417

Omega - Speedmaster Racing 40mm coaxial 19mm - 98000417 · $290

A new Omega Speedmaster Racing watch strap with 19mm lugs, suitable for a 40mm coaxial model.

Lug size: 19mm
Strap type: Rubber

Posted at

Apr 30, 2025, 10:49 AM

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Omega Speedmaster Speedy Tuesday - MINT UNWORN $14,500

Omega - Speedmaster Speedy Tuesday ST1 · $14,500

Up for sale is THE Speedy Tuesday ST1, an UNWORN and MINT example of this hard-to-find watch. It includes the watch, box, warranty cards, and accessories.

Condition: Mint unworn
Case Size: 42mm diameter

Posted at

Apr 30, 2025, 9:58 AM

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