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.
Buy Now on Jomashop
This is an affiliate link

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] Forstner Contemporary Flat Link Bracelet for Omega Speedmaster 19mm

Forstner Contemporary Flat Link Bracelet for Omega Speedmaster 19mm

· $160
This is a Forstner polished/brushed flat link bracelet with end links designed for the Omega Speedmaster with a straight lug FOIS case. The watch features a push button clasp, spring links next to the clasp, and comes in excellent condition with minimal signs of wear.

  • Condition: excellent used
  • Material: polished/brushed flat link bracelet with end links
  • Fit: 19mm version fits the straight lug FOIS case
  • Clasp type: push button clasp
Posted at
Feb 17, 2026, 1:25 PM
Active
[WTS] 2024 Omega Speedmaster Chronograph Moonphase Stainless Steel Blue Dial on Blue Strap 304.33.44.52.03.001 B+P

2024 Omega Speedmaster Chronograph Moonphase Stainless Steel Blue Dial on Blue Strap 304.33.44.52.03.001 B+P

The Omega Speedmaster Moonphase Chronograph has a deep blue dial and matching strap, giving it a sporty but refined feel. The chronograph layout paired with the moonphase display adds detail and character without overwhelming the classic Speedmaster look.

  • Condition: Excellent condition
  • Case diameter: 44mm
  • Crystal material: Sapphire
  • Dial color: Blue
Posted at
Feb 17, 2026, 1:08 PM
Active
[WTS] Omega Speedmaster 38 Co-Axial Chronograph 324.30.38.50.02.001 Full Set- $3999

Omega Speedmaster 38 Co-Axial Chronograph 324.30.38.50.02.001 Full Set- $3999

This Omega Speedmaster 38 Co-Axial Chronograph features a silver dial and is in excellent condition with very minimal wear.

  • Condition: Excellent overall condition, minimal wear
  • Case size: 40mm diameter
  • Bracelet type: Stainless steel
Posted at
Feb 17, 2026, 7:04 AM
Active
[WTS] Omega Speedmaster Reduced, with two extra uncle bracelets

Omega Speedmaster Reduced, with two extra uncle bracelets

This Omega Speedmaster Reduced is a pre-owned watch that comes with two extra bracelets. The original bracelet and Lincoln bracelet may not fit wrists larger than 7 inches, while the US1171 bracelet has all its links.

  • Condition: Pre-owned, possibly polished case (not confirmed)
  • Bracelets included: 3
  • Bracelet sizes: [object Object]
Posted at
Feb 17, 2026, 2:32 AM
Active
[WTS] 2023 Omega Speedmaster "Blue Side of the Moon" Aventurine Dial - 304.93.44.52.03.002 - Full Set

2023 Omega Speedmaster "Blue Side of the Moon" Aventurine Dial - 304.93.44.52.03.002 - Full Set

Omega - 304.93.44.52.03.002 · $11,250
This Omega Speedmaster Blue Side of the Moon Aventurine features a 44.25mm blue ceramic case with Sedna gold accents, an aventurine glass dial, and Omega's Co-Axial Master Chronometer Caliber 9904 movement.

  • Condition: Very excellent preowned condition
  • Case size: 44.25mm
  • Water resistance: 50m
  • Movement: Omega Co-Axial Master Chronometer Caliber 9904 (manual wind, column-wheel chronograph, METAS certified)
Posted at
Feb 16, 2026, 10:32 PM
Active
[WTS] Omega Speedmaster Racing 326.30.40.50.01.002 40mm Watch + Full Set

Omega Speedmaster Racing 326.30.40.50.01.002 40mm Watch + Full Set

This is a Omega Speedmaster Racing watch that has been well-maintained and comes in excellent condition. The watch features a 40mm diameter case and is accompanied by a full set of accessories.

  • Condition: Excellent
  • Purchase Year: 9 months ago
  • Previous Owner Count: 1
Posted at
Feb 16, 2026, 10:29 PM
Active
[WTS] 2016 OMEGA Speedmaster "Grey Side Of The Moon" 311.93.44.51.99.001 - Full Set

2016 OMEGA Speedmaster "Grey Side Of The Moon" 311.93.44.51.99.001 - Full Set

This is a 2016 Omega Speedmaster Grey Side of the Moon watch featuring a sand-blasted platinum dial, grey ceramic aesthetic and a comfortable grey Omega alligator strap. It has a gorgeous sapphire domed view into the Omega co-axial calibre 9300 movement.

  • Condition: Very excellent pre-owned condition
  • Case Size: 44.25mm diameter
  • Case Material: Gray ceramic (zirconium oxide)
  • Movement: Omega Co-Axial Caliber 9300 (automatic chronograph, column-wheel, ~60-hour power reserve)
Posted at
Feb 16, 2026, 10:24 PM
Active
[WTS] Omega Speedmaster Moonwatch 42mm Steel Hesalite 310.30.42.50.01.001 Full Set

Omega Speedmaster Moonwatch 42mm Steel Hesalite 310.30.42.50.01.001 Full Set

This Omega Speedmaster Moonwatch features a stainless steel case measuring 42mm in diameter, a black dial with Hesalite crystal, and a stainless steel bracelet.

  • Condition: Preowned with some scratches on the case, buckle, and crystal
  • Case dimensions: 42mm diameter
  • Bezel material: Stainless Steel
  • Dial color: Black
Posted at
Feb 16, 2026, 8:18 PM
Active
[WTS] 2021 Omega Speedmaster Moonwatch 42mm Steel Hesalite 310.30.42.50.01.001 Full Set

2021 Omega Speedmaster Moonwatch 42mm Steel Hesalite 310.30.42.50.01.001 Full Set

2021 Omega Speedmaster Moonwatch 42mm Steel Hesalite, a manual wind mechanical watch featuring a stainless steel case and black dial.

  • Condition: Nice Preowned Condition with Some Scratches on the Case and Buckle.
  • Case material: Stainless Steel
  • Case dimensions: 42mm diameter
  • Bezel material: Stainless Steel
Posted at
Feb 16, 2026, 8:14 PM
Active