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

Omega Speedmaster Moonwatch 3861 White / Rubber - 310.32.42.50.04.001 ( new )
This Omega Speedmaster Moonwatch Professional features a 42mm stainless steel case and is powered by the Omega Master Chronometer Movement. It comes with all original boxes, papers, booklets, hang tag, and an Omega Warranty Card dated June 2025.
- Condition: Brand New
- Case size: 42mm
- Movement: Omega Master Chronometer Movement
2022 Omega Speedmaster Moonwatch Sapphire 42mm 310.30.42.50.01.002 Mint Complete
This 2022 Omega Speedmaster Moonwatch Sapphire 42mm is a first watch worn on the moon, featuring photos and a video on the seller's website.
- Condition: Minty fresh
- Case size: 42mm
- Year: 2022
- Contents: watch,inner & outer boxes,warranty card,pictogram,master chronometer,instruction booklet,black travel case,hang tag,cleaning cloth,Moonwatch Booklet
Omega Speedmaster Chronograph - Blue - Stainless Steel - 38mm - Mint
This Omega Speedmaster Chronograph features a 38mm stainless steel case, blue dial, and automatic movement.
- Condition: Pre-Owned - Mint
- Case size: 38mm diameter
- Bracelet type: Stainless Steel
- Dial color: Blue

Omega Speedmaster 321 Ed White
This Omega Speedmaster 321 Ed White is an original purchase from a US OB in 2023, worn sparingly since.
- Condition: Good condition with minor scuffs
- Warranty: includes warranty cards
- Links: all links included

2023 Omega Speedmaster �SNOOPY� 50th Anniversary 310.32.42.50.02.001 BOXES/PAPER
This is a 2023 Omega Speedmaster �SNOOPY� 50th Anniversary model, one of the most exclusive pieces in the watch world. It features a stainless steel case with a silver dial and comes with an OEM Omega stainless steel bracelet.
- Condition: Excellent pre-owned
- Case diameter: 42mm
- Water resistance: 50m depth rating
- Movement type: Manual

Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (new / 2025)
This Omega Speedmaster Moonwatch Professional features a 42mm stainless steel case and is powered by the 3861 Omega Master Chronometer Movement.
- Condition: Brand new
- Case size: 42mm
- Movement type: 3861 Omega Master Chronometer

Omega Speedmaster Moonwatch Hesalite - 3861 - 310.30.42.50.01.001 (new / 2025)
A brand new Omega Speedmaster Moonwatch Professional Hesalite with a stainless steel case and 3861 Omega Master Chronometer movement.
- Condition: Brand new
- Case size: 42mm diameter
- Movement: Omega Master Chronometer

>>REDUCED<< OMEGA SPEEDMASTER PROFESSIONAL 1974 Stepped Dial
A 1974 Omega Speedmaster Professional with a stepped dial, manual winding chronograph movement (calibre 861), and tritium indices in superb condition.
- Condition: Very good vintage condition
- Diameter: 42 mm
- Bracelet: Omega Speedmaster 1125 bracelet with 516 end links
- Movement: Manual winding chronograph calibre 861

NEW 2021 Omega Speedmaster "Ed White" 39.7mm 311.30.40.30.01.001 Black Dial
The Omega Speedmaster 'Ed White' is a nod to the version worn by Ed White, featuring a black step dial and vintage-style applied logo.
- Condition: New with minor scratches from handling
- Diameter: 39.7mm
- Box And Papers: Yes