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 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
[WTS] Omega Speedmaster Sapphire Sandwich

Omega Speedmaster Sapphire Sandwich

Omega - 31030425001002 · $6,000
A Omega Speedmaster Sapphire Sandwich, a manual winding watch featuring an original box and papers. The watch has a 42mm size.

  • Year: 2025
  • Size: 42mm diameter
  • Bracelet condition: barely used
Posted at
Jan 9, 2026, 4:22 PM
Active
[WTS] OMEGA SPEEDMASTER PROFESSIONAL [WHITE][EXCELLENT CONDITION AND BARELY WORN] $7,700 OBO

OMEGA SPEEDMASTER PROFESSIONAL [WHITE][EXCELLENT CONDITION AND BARELY WORN] $7,700 OBO

A well-maintained Omega Speedmaster Professional in excellent condition, barely worn.

  • Condition: EXCELLENT CONDITION AND BARELY WORN
  • Payment methods: PayPal, Zelle, Venmo
Posted at
Jan 9, 2026, 4:13 PM
Active
[WTS] 1979 Omega Speedmaster Professional Moon Watch

1979 Omega Speedmaster Professional Moon Watch

This 1979 Omega Speedmaster Professional Moon Watch is in excellent condition, featuring its original comfort stretch 1039 bracelet and a manual wind calibre 861 movement. The watch has aged nicely, with great lume and dial details.

  • Condition: Excellent with fine scratches, one visible dent in the bracelet and inconsistent timegraph results
  • Bracelet type: Comfort stretch 1039
  • Case size: 42mm diameter
  • Crown size: 43.2mm
Posted at
Jan 8, 2026, 2:55 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥

Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥

Omega - 145.022-69 · $5,425
This Omega Speedmaster Moonwatch presents beautifully in full steel, with a strong and sharp case and original step dial displaying warm yellow patina.

  • Condition: serviced, excellent definition
  • Size: 42mm diameter
  • Year: 1969
  • Movement service date: November 2022
Posted at
Jan 8, 2026, 2:54 PM
Active
[WTS] Omega Speedmaster Date 32105000 Full Set 3000USD

Omega Speedmaster Date 32105000 Full Set 3000USD

Omega - 32105000 · $3,000
A 2009 Omega Speedmaster Date 40mm watch that has been worn only a handful of times. It comes with the box and papers, one additional link, and is in great condition.

  • Condition: Overall great condition, a couple of light scratches on the side of the bezel and some scuffs on the band and bottom of the case.
  • Length: 7.5"
  • Purchase Year: 2023
  • Service History: Not serviced since purchase
Posted at
Jan 8, 2026, 1:08 PM
Active
[WTS] Omega Speedmaster Professional 3861 Sapphire Sandwich 310.30.42.50.01.002

Omega Speedmaster Professional 3861 Sapphire Sandwich 310.30.42.50.01.002

Additional details not provided.

  • Item: Sapphire Sandwich
Posted at
Jan 8, 2026, 2:50 AM
Active
[WTS] Omega Speedmaster Day Date MK40

Omega Speedmaster Day Date MK40

Omega - 3520.53.00 · $2,000
Up for sale is my Omega Speedmaster Day-Date MK40, reference 3520.53.00. A cult-favorite Speedy with serious ‘90s charm and one of the most wearable Speedmaster configurations ever made.

  • Condition: good
  • Case size: 39mm
  • Movement type: automatic chronograph
Posted at
Jan 7, 2026, 9:07 PM
Active