Omega Speedmaster Speedmaster Professional Moonphase Broad Arrow Stainless Steel / Ivory

Reference 3875.20.37

Omega Speedmaster Professional Moonphase Broad Arrow Stainless Steel / Ivory

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 Sapphire Sandwich. Box, Papers. Microadjust Clasp. 310.30.42.50.01.002.

Omega Speedmaster Sapphire Sandwich. Box, Papers. Microadjust Clasp. 310.30.42.50.01.002.

Omega - 310.30.42.50.01.002 · $6,450
For sale is an Omega Speedmaster Sapphire Sandwich, featuring a microadjust clasp and accompanied by its box and papers.

  • Box included: true
Posted at
Apr 4, 2026, 4:18 PM
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[WTS] Forstner Contemporary Flat Link Bracelet for Omega Speedmaster (Pre-2021)

Forstner Contemporary Flat Link Bracelet for Omega Speedmaster (Pre-2021)

Omega - Speedmaster (Pre-2021) · $60
This Omega Speedmaster watch has been paired with a Forstner Contemporary Flat Link Bracelet.

  • Condition: good
  • Wrist Size: up to 7.25"
  • Links Missing: 1-2
Posted at
Apr 4, 2026, 4:17 PM
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[WTS] Omega Speedmaster FOIS 311.32.40.30.01.001 – Excellent Condition

Omega Speedmaster FOIS 311.32.40.30.01.001 – Excellent Condition

Omega - 311.32.40.30.01.001 · $3,999
This Omega Speedmaster First Omega in Space is a highly collectible modern Speedmaster, inspired by the CK2998 worn by astronaut Wally Schirra during the Mercury-Atlas 8 mission. The watch has a classic straight-lug asymmetric-free FOIS case and features a stunning black stepped dial with alpha hands and vintage-inspired details.

  • Condition: Excellent
  • Case Size: 39.7mm
  • Movement: Omega Caliber 1861 manual wind
  • Crystal: Saphire
Posted at
Apr 4, 2026, 4:11 PM
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[WTS] Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina 1978 (Serviced)

Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina 1978 (Serviced)

Omega - 145.022-78 · $5,050
This Omega Speedmaster Professional Moonwatch reference 145.022-78 is presented in all-original condition and remains in very good overall shape. The watch is fitted with its original, period-correct black tritium dial, displaying an even yellow patina across all hour markers that adds warmth and character.

  • Condition: Very good overall shape, original condition
  • Case size: 42mm
  • Year of manufacture: 1978
Posted at
Apr 4, 2026, 3:19 PM
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[WTS] Omega Speedmaster Professional (310.30.42.50.04.001)

Omega Speedmaster Professional (310.30.42.50.04.001)

Omega - 310.30.42.50.04.001 · $7,550
This Omega Speedmaster Professional features a white dial on a stainless steel bracelet and comes with boxes, booklet, and warranty card dated 8/19/2025.

  • Condition: Excellent
  • Case size: 42mm diameter
  • Bracelet material: Stainless Steel
  • Crystal type: Sapphire
Posted at
Apr 4, 2026, 2:12 PM
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[WTS] Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🤎

Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🤎

Omega - 145.022-69 · $14,995
A rare and fully original Omega Speedmaster Moonwatch with a stunning tropical brown dial and heavy patina, featuring a period-correct super tropical brown dial and a deep, even transformation with yellow patina across all indices and matching hands.

  • Condition: Beautiful condition with heavy patina, professionally serviced in November 2025
  • Size: 42mm diameter
  • Year: 1969
Posted at
Apr 4, 2026, 1:14 PM
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[WTS] Omega Speedmaster Triple Calendar Day-Date Ref.3221.30.00 40mm | Great Condition (With Box & Serviced) | $2450

Omega Speedmaster Triple Calendar Day-Date Ref.3221.30.00 40mm | Great Condition (With Box & Serviced) | $2450

Omega - 3221.30.00 · $2,450
The Omega Speedmaster Triple Calendar Day-Date Ref.3221.30.00 is a feature-packed take on the classic Speedmaster, with a stainless steel case and sapphire crystal, rated to 100m water resistance.

  • Condition: Great condition
  • Case size: 40mm diameter
  • Thickness: 15mm
  • Movement: Caliber 3606 automatic chronograph movement with approximately 44 hours of power reserve and COSC-certification
Posted at
Apr 3, 2026, 11:06 PM
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[WTS] 2019 Omega Speedmaster (FOIS) - 311.32.40.30.01.001 - Box and Papers - $4,295 Shipped ✈️

2019 Omega Speedmaster (FOIS) - 311.32.40.30.01.001 - Box and Papers - $4,295 Shipped ✈️

Omega - 311.32.40.30.01.001 · $4,295
This is the Omega Speedmaster ‘First Omega in Space’ (FOIS) model, a highly sought-after favorite among collectors, featuring a classic straight-lug case and vintage-inspired design.

  • Condition: Fantastic pre-owned condition with minimal wear
  • Size: 39.7mm diameter
  • Case type: Straight-lug case
Posted at
Apr 3, 2026, 9:41 PM
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[WTS] Omega Speedmaster Date 3513.50 $1,800

Omega Speedmaster Date 3513.50 $1,800

Omega - 3513.50 · $1,800
This Omega Speedmaster Date features a deep sunburst textured black dial and a classic polished bezel, paired with the unmistakable Speedmaster design language.

  • Condition: Preowned - Good
  • Size: 39mm diameter
  • Crystal material: Not specified
Posted at
Apr 3, 2026, 9:27 PM
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