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

Reference 3875.30.31

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
50

Current Listings

2019 Omega Speedmaster First Omega In Space "FOIS" Ref: 311.32.40.30.01.001

2019 Omega Speedmaster First Omega In Space "FOIS" Ref: 311.32.40.30.01.001

2019 Omega Speedmaster First Omega In Space 'FOIS' with a 40mm case, black tachymeter bezel, and black chronograph dial.

  • Condition: Excellent with some wear from use
  • Case size: 40mm diameter
  • Bracelet type: factory Omega 19mm 1564/975
Posted at
Mar 3, 2025, 5:31 PM
Active
Omega 310.32.42.50.02.001 Speedmaster 50th Anniversary Snoopy Watch

Omega 310.32.42.50.02.001 Speedmaster 50th Anniversary Snoopy Watch

Omega - 310.32.42.50.02.001 · $15,650
This is a Speedmaster Professional Moonwatch Apollo 13 50th Anniversary Snoopy Watch, a special edition of the iconic Speedmaster series.

  • Serial numbers: available upon request
Posted at
Mar 3, 2025, 5:15 PM
Active
>>ReDuCeD FuRtHeR<< VINTAGE OMEGA SPEEDMASTER PROFESSIONAL PRE-MOON 145.022-69

>>ReDuCeD FuRtHeR<< VINTAGE OMEGA SPEEDMASTER PROFESSIONAL PRE-MOON 145.022-69

Omega - 145.022-69ST · $3,450
A pre-moon Omega Speedmaster Professional reference 145.022-69ST featuring Omega calibre 861 and a 29 million serial from 1970. The watch has a good vintage condition with a UNPOLISHED case and sharp bevels.

  • Condition: Good vintage condition, UNPOLISHED case
  • Movement: Omega calibre 861
  • Case size: 42 mm in diameter
  • Caseback: Hippocampus caseback
Posted at
Mar 1, 2025, 4:12 PM
Active
UNWORN 2024 OMEGA 332.10.41.51.01.001 Speedmaster '57 with Box & Papers

UNWORN 2024 OMEGA 332.10.41.51.01.001 Speedmaster '57 with Box & Papers

This is a brand new, unworn Omega Speedmaster '57 model number 332.10.41.51.01.001 with its original box and papers. The watch features a stainless steel case and black dial.

  • Condition: UNWORN
  • Case Size: 40.5mm diameter
  • Material: Stainless Steel
  • Dial: Black
Posted at
Mar 1, 2025, 12:27 PM
Active
Omega Speedmaster Professional Moonwatch Chronograph 3592.50 Tritium 863 Movement

Omega Speedmaster Professional Moonwatch Chronograph 3592.50 Tritium 863 Movement

Omega - 3592.50 · $4,290
This Omega Speedmaster Professional Moonwatch Chronograph features a 42mm stainless steel case and mechanical manual movement.

  • Condition: 90%
  • Case diameter: 42mm
  • Movement type: Mechanical Manual
  • Bracelet type: 1479 Bracelet
Posted at
Mar 1, 2025, 10:34 AM
Active
Omega Speedmaster Reduced Mop Dial Automatic 3534.70.00

Omega Speedmaster Reduced Mop Dial Automatic 3534.70.00

Omega - 3534.70.00 · $2,210
The Omega Speedmaster Reduced Mop Dial Automatic is a chronograph watch with a stainless steel case and mechanical automatic movement.

  • Condition: 90%
  • Size: 38mm diameter
  • Case material: Stainless Steel
Posted at
Feb 28, 2025, 11:39 AM
Active
Omega SPEEDMASTER ANNIVERSARY SERIES FIRST OMEGA IN SPACE 2024 FULL SET

Omega SPEEDMASTER ANNIVERSARY SERIES FIRST OMEGA IN SPACE 2024 FULL SET

Omega - 31030405006001 · $7,425
This 2024 Omega Speedmaster Anniversary Series is a tribute to the first Omega watch worn in space, featuring a stainless steel case with sapphire crystals and a dark blue dial. The watch is powered by an Omega 3861 manual winding movement and comes with a full set of packaging, including double boxes and a complete manual.

  • Condition: Excellent
  • Movement: Omega 3861 manual winding
  • Case material: Stainless steel
  • Crystal type: Sapphire
Posted at
Feb 27, 2025, 10:05 PM
Active
OMEGA Speedmaster Racing 329.32.44.51.06.001

OMEGA Speedmaster Racing 329.32.44.51.06.001

The OMEGA Speedmaster Racing is a tribute to the brand's rich motorsport heritage, featuring a sleek design with a bold black dial and orange accents.

  • Condition: Excellent, lightly worn
  • Movement: Caliber 9900
  • Case diameter: 44.25mm
  • Water resistance: 50m
Posted at
Feb 27, 2025, 7:25 PM
Active
Omega Speedmaster White 310.30.42.50.04.001 LNIB

Omega Speedmaster White 310.30.42.50.04.001 LNIB

The Omega Speedmaster features a white dial and comes with all its original packaging, including box, books, links, and warranty cards.

  • Condition: Like new, unworn
  • Dial color: White
  • Box set: true
Posted at
Feb 27, 2025, 4:11 PM
Active