Omega Speedmaster Speedmaster Professional Moonphase Broad Arrow Stainless Steel / Ivory

Reference 3875.20.37

About this watch

The Omega Speedmaster Professional Moonphase Broad Arrow is a remarkable timepiece that embodies the spirit of exploration and sophistication. With its exquisite design, robust functionality, and storied history, it stands as a testament to Omega's commitment to excellence. This watch is not just about looks; its chronograph functionality allows you to measure elapsed time with precision. Whether you’re timing a race or just keeping track of your cooking, the sub-dials are intuitive and easy to read. One of the most charming features of the Speedmaster Moonphase is its moonphase display. This complication shows the current phase of the moon, which is both beautiful and practical for those who enjoy stargazing or simply want to keep track of the lunar cycle. Its blend of aesthetics, functionality, and heritage makes it a worthy addition to any collection. With a water resistance of up to 50 meters, this watch can handle splashes and brief immersion. The Omega Speedmaster Professional Moonphase Broad Arrow is more than just a watch; it's a celebration of time, heritage, and innovation.
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Key Features

  • Omega caliber 1866 hand-wound chronograph movement
  • 42mm stainless steel case with sapphire crystal
  • Ivory dial with stick and dot indexes and arrow hands
  • Tachymeter bezel for precise speed calculations
  • Water resistance up to 50 meters
  • Chronograph functionality with sub-dials
  • Moonphase display at 12 o'clock

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonphase Broad Arrow Stainless Steel / Ivory
Reference
3875.20.37
Movement
1866
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph
  • Moonphase
Case
42mm
Dial Color
Ivory
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] Excellent Omega Speedmaster Broad Arrow Co-Axial GMT Mens Watch $2750

Excellent Omega Speedmaster Broad Arrow Co-Axial GMT Mens Watch $2750

This Omega Speedmaster Broad Arrow Co-Axial GMT is a high-quality watch featuring an automatic movement and stainless steel case. It measures 44mm in width, making it suitable for larger wrists.

  • Condition: Pre-owned
  • Case width: 44mm (without crown)
  • Band size: fits up to approx 20cm
  • Movement: automatic 3603
Posted at
Jan 10, 2026, 8:01 PM
Active
[WTS] 2024 Omega Speedmaster Moonwatch White Dial 42 310.30.42.50.04.001

2024 Omega Speedmaster Moonwatch White Dial 42 310.30.42.50.04.001

Omega - 31030425004001 · $7,350
This watch is a 2024 Omega Speedmaster Moonwatch with a white dial, coming as a full set with card dated 2024 and in good pre-owned condition.

  • Condition: pre-owned
  • Year Of Manufacture: 2024
  • Diameter: 42mm
Posted at
Jan 10, 2026, 10:30 AM
Active
[WTS] 2023 Omega Speedmaster Silver Snoopy Award on Bracelet + Straps Full Set Mint Condition

2023 Omega Speedmaster Silver Snoopy Award on Bracelet + Straps Full Set Mint Condition

Omega - 310.32.42.50.02.001 · $15,999
This is a 2023 Omega Speedmaster Silver Snoopy Award on Bracelet + Straps Full Set in mint condition.

  • Condition: Mint Condition, like new preowned
  • Size: 40mm diameter
  • Depth Rating: 50m water resistance
  • Case Material: Stainless Steel
Posted at
Jan 9, 2026, 11:43 PM
Active
[WTS] Omega Speedmaster Black Fabric Strap

Omega Speedmaster Black Fabric Strap

Omega - CWZ014117 · $240
Up for sale is my Omega Speedmaster black fabric strap, ref. CWZ014117, which has never been worn.

  • Condition: Like new
  • Strap Type: Black fabric strap
  • Includes Accessories: No deployant or spring bars included
Posted at
Jan 9, 2026, 11:11 PM
Active
[WTS] 1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract

1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract

Omega - 3590.50 · $4,000
This 1991 Omega Speedmaster Moonwatch is in excellent condition with an original tritium dial and hands, and a correct Omega hesalite crystal.

  • Condition: Excellent vintage condition, unpolished
  • Serial number: 482774XX
  • Movement: caliber 861
  • Bracelet size: 1479/812, currently sized for a 6.8" wrist
Posted at
Jan 9, 2026, 5:57 PM
Active
[WTS] Omega Speedmaster Reduced — $2500 USD

Omega Speedmaster Reduced — $2500 USD

Omega - 3510.50 · $2,500
For sale is my Omega Speedmaster Reduced with a 39mm case size and automatic movement.

  • Condition: Excellent
  • Case Size: 39mm
  • Movement Type: Automatic
Posted at
Jan 9, 2026, 5:55 PM
Active
[WTS] Omega Speedmaster Reduced, ref. 175.0032.1, Factory Service Papers, Box, Accessories

Omega Speedmaster Reduced, ref. 175.0032.1, Factory Service Papers, Box, Accessories

Omega - 175.0032.1 · $2,700
The Omega Speedmaster Reduced is a beautiful watch in excellent condition, with factory service papers and box included.

  • Condition: Excellent
  • Service cost: $850
  • Year of service: 2019
Posted at
Jan 9, 2026, 5:34 PM
Active
[WTS] Omega Speedmaster Moonphase BOX AND PAPERS 304.33.44.52.03.001

Omega Speedmaster Moonphase BOX AND PAPERS 304.33.44.52.03.001

For sale is an Omega Speedmaster Moonphase, this watch features a black leather strap with quick release function and comes double boxed with cards including warranty card.

  • Condition: Excellent condition with minimal wear on the straps
  • Straps: black leather omega strap with quick release function
  • Payment Methods Accepted: all payment methods except PayPal, crypto with small fee
  • Trading Brands: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
Jan 9, 2026, 4:52 PM
Active