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

2020 Omega Speedmaster FOIS Ref: 311.32.40.30.01.001 with B+P (Modded Dial)

2020 Omega Speedmaster FOIS Ref: 311.32.40.30.01.001 with B+P (Modded Dial)

2020 Omega Speedmaster First Omega In Space 'FOIS' with a modded dial that gives the watch a vintage charm, while still being an authentic Omega.

  • Condition: Excellent
  • Case size: 40mm
  • Bezel condition: Excellent
  • Dial type: Black chronograph
Posted at
Feb 26, 2025, 8:32 PM
Active
2020 Omega Speedmaster Ref: 522.30.42.30.03.001 Tokyo 2020 Olympics with B+P

2020 Omega Speedmaster Ref: 522.30.42.30.03.001 Tokyo 2020 Olympics with B+P

This is a limited edition 2020 Olympics Omega Speedmaster with a blue dial and blue tachymeter bezel, featuring traditional stick markers and white sub-dials.

  • Condition: Excellent
  • Case size: 42mm
  • Serial number: 78,8XX,XXX
  • Limited edition number: 16X/2020
Posted at
Feb 26, 2025, 8:31 PM
Active
2024 Omega Speedmaster Ref. 310.30.42.50.04.001 with Box & Papers

2024 Omega Speedmaster Ref. 310.30.42.50.04.001 with Box & Papers

The Omega Speedmaster Moonwatch is a chronograph with significant historical value, accompanied by all six moon landings and featuring a brushed stainless steel bracelet with sapphire glass and a sapphire caseback.

  • Condition: Excellent (little to no signs of wear)
  • Case Width: 42mm
  • Strap Length: 8.00"
  • Movement: Co-Axial Master Chronometer Calibre 3861
Posted at
Feb 26, 2025, 4:13 PM
Active
Omega Speedmaster Moonwatch 3861 - White - 310.30.42.50.04.001 ( new )

Omega Speedmaster Moonwatch 3861 - White - 310.30.42.50.04.001 ( new )

Omega - 3861 · $7,950
This is a brand new Omega Speedmaster Moonwatch Professional White Dial Sapphire on Bracelet, reference # 310.30.42.50.04.001.

  • Condition: Brand new
  • Case material: Stainless Steel
  • Case size: 42mm
  • Movement type: Omega Master Chronometer Movement
Posted at
Feb 26, 2025, 4:03 PM
Active
Omega Meteorite Speedmaster Moonphase Grey Dial Blue Bezel - Just Released!

Omega Meteorite Speedmaster Moonphase Grey Dial Blue Bezel - Just Released!

Omega - 304.30.43.52.03.001 · $16,500
A unique and rare Omega Speedmaster Moonphase Meteorite timepiece that combines the legendary Speedmaster design with a captivating meteorite dial, available in brand new condition.

  • Condition: Brand New
  • Case Size: 43mm
  • Bracelet Material: stainless steel
  • Movement Type: Automatic chronograph
Posted at
Feb 26, 2025, 1:40 PM
Active
Omega Speedmaster Professional Moonwatch 311.33.42.30.01.001

Omega Speedmaster Professional Moonwatch 311.33.42.30.01.001

This listing is for an Omega Speedmaster Professional Moonwatch, a high-end timepiece known for its iconic design and association with space exploration.

  • Condition: Excellent
  • Accessories: boxes, book, velcro strap, nato strap, warranty card
Posted at
Feb 25, 2025, 4:21 PM
Active
Omega Speedmaster Racing - White Dial - 329.30.44.51.04.001 ( excellent )

Omega Speedmaster Racing - White Dial - 329.30.44.51.04.001 ( excellent )

This Omega Speedmaster Racing Master Co-Axial in White Dial is a high-end chronograph watch with a stainless steel case and Master Co-Axial movement.

  • Condition: Excellent
  • Case size: 44.25mm diameter
  • Movement: Master Co-Axial 9900 Chronometer
Posted at
Feb 25, 2025, 3:15 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 · $3,550
This is a pre-moon Omega Speedmaster Professional reference 145.022-69ST, featuring an Omega calibre 861 movement with a 29 million serial number from 1970. The watch has been overhauled in 2022 and comes on a generic tan strap.

  • Condition: Good vintage condition
  • Calibre: Omega calibre 861
  • Movement condition: Overhauled in 2022
  • Case diameter: 42 mm
Posted at
Feb 25, 2025, 2:49 PM
Active
310.32.42.50.02.001 Omega Speedmaster Silver Snoopy COMPLETE SET/BRAND NEW

310.32.42.50.02.001 Omega Speedmaster Silver Snoopy COMPLETE SET/BRAND NEW

Omega - 310.32.42.50.02.001 · $15,900
The Omega Speedmaster Silver Snoopy is a complete set in brand new condition, including the OEM bracelet.

  • Condition: Brand new/unworn
  • Bracelet Type: OEM Speedmaster Bracelet
Posted at
Feb 24, 2025, 7:03 PM
Active