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] OMEGA Speedmaster Date 40mm Full Kit 18k Gold/Steel

OMEGA Speedmaster Date 40mm Full Kit 18k Gold/Steel

Up for sale is a Omega Speedmaster Date 40mm Steel/Yellow Gold Ref. 323.21.40.40.02.001, This is a full kit.

  • Case Size: 40mm
  • Materials: Steel/18k Yellow Gold
Posted at
Feb 16, 2026, 10:39 AM
Active
[WTS] Omega Speedmaster Moonphase 304.33.44.52.03 Blue Dial 44.25mm Full Set

Omega Speedmaster Moonphase 304.33.44.52.03 Blue Dial 44.25mm Full Set

Omega - 304.33.44.52.03 · $7,494
The Omega Speedmaster Moonphase features a blue dial, moonphase complication at 6 o'clock, and Co-Axial Master Chronometer automatic movement.

  • Condition: Very good
  • Case size: 44.25 mm
  • Movement type: Co-Axial Master Chronometer automatic
Posted at
Feb 16, 2026, 9:59 AM
Active
[WTS] Omega Speedmaster FOIS Numbered Edition 311.32.40.30.01.001 w/ Ed White Mods [USA-TN]

Omega Speedmaster FOIS Numbered Edition 311.32.40.30.01.001 w/ Ed White Mods [USA-TN]

This 2014 Omega Speedmaster FOIS features a numbered edition, manual winding movement, and ultra-wearable dimensions of 39.7mm x 19 x 47. The watch has been modified with OEM Speedmaster Professional Moonwatch hands and given a professional patina treatment to give it a vintage aesthetic.

  • Condition: excellent overall condition with honest light wear
  • Movement type: manual winding 1861 movement
  • Water resistance: unknown
  • Dimensions: 39.7mm x 19 x 47
Posted at
Feb 15, 2026, 6:04 PM
Active
[WTS] Omega Speedmaster Broad Arrow 1957 321.10.42.50.01.001 Full Set

Omega Speedmaster Broad Arrow 1957 321.10.42.50.01.001 Full Set

A modern tribute to the legendary original Speedmaster design, this Omega Speedmaster Broad Arrow 1957 features a black dial and classic Speedmaster styling with a modern 42 mm case for everyday wearability.

  • Condition: Excellent
  • Case size: 42 mm diameter
  • Set: Full set (watch, box, papers, and accessories as originally supplied)
Posted at
Feb 15, 2026, 4:21 PM
Active
[WTS] Omega Speedmaster Hesalite 310.30.42.50.01.001 $5,750 Full Set

Omega Speedmaster Hesalite 310.30.42.50.01.001 $5,750 Full Set

This Omega Speedmaster Hesalite is an iconic watch under $10k, available with all original accessories.

  • Condition: Excellent preowned condition
  • Shipping: Fully insured shipping included in price
Posted at
Feb 15, 2026, 3:47 PM
Active
[WTS] Omega Speedmaster Black Dial 3513.50 Date

Omega Speedmaster Black Dial 3513.50 Date

Omega - 3513.50.00 · $1,700
A 39mm Omega Speedmaster Date with a black dial, recently serviced and polished.

  • Condition: 100% authentic Omega, recently serviced and polished
  • Case Diameter: 39mm
  • Cosmetic Condition Glass: flawless
  • Cosmetic Condition Case: no damage
Posted at
Feb 15, 2026, 3:17 PM
Active
[WTS] Omega 2023 Speedmaster Professional

Omega 2023 Speedmaster Professional

Additional Details: I’m selling my Omega Speedmaster Professional because I finally got my 321 Speedmaster. Watch is a 9/10 in shape.

  • Condition: 9/10 in shape
  • Material: full set
Posted at
Feb 15, 2026, 2:44 PM
Active
[WTS] Omega Speedmaster CK2998 Limited Edition “Blue Panda” - Full Set - 311.33.40.30.02.001 - Price Reduced!

Omega Speedmaster CK2998 Limited Edition “Blue Panda” - Full Set - 311.33.40.30.02.001 - Price Reduced!

This Omega Speedmaster CK2998 'Blue Panda' is a modern classic with a striking design and features a manual winding OMEGA calibre 1861 movement.

  • Condition: Excellent condition, barely worn
  • Case size: 40mm
  • Movement: Manual winding OMEGA calibre 1861
Posted at
Feb 15, 2026, 1:52 PM
Active
[WTS] 🚀 ‼️Omega Speedmaster Mk40 (Ref. 3520.50)‼️ 🚀

🚀 ‼️Omega Speedmaster Mk40 (Ref. 3520.50)‼️ 🚀

Omega - 3520.50 · $2,899
A masterclass in packaging, the Omega Speedmaster Mk40 (Ref. 3520.50) features a 12-hour chronograph, 24-hour indicator, and full calendar in a case that wears better than standard 42mm Professional models.

  • Condition: Good condition with honest wear. Small concentration of tiny pin marks on the left side of the case.
  • Case Wear: left side
  • Diameter: 39mm
  • Lug To Lug: 44.5mm
Posted at
Feb 15, 2026, 1:38 PM
Active