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 Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🤎](https://preview.redd.it/gcr5sogbi7tg1.jpg?width=640&crop=smart&auto=webp&s=34ae0885c0c5ff011c647100bf13452af276f336)
Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🤎
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
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OMEGA Speedmaster 3573.50 Sapphire Sandwich Big Box Model - Complete OMEGA overhaul in 2024 ($1K+) 🧼 - OEM OMEGA Quick Adjust Clasp Installed ($350) - COMPLETE Kit, Mint - $5750 shipped CONUS
A clean Omega Speedmaster Professional 3573.50, featuring a sapphire sandwich display caseback with the beautifully finished caliber 1863.
- Condition: Mint
- Service Date: 2024
- Clasp Upgrade Cost: 350
- Bracelet Comparison: 3861 bracelet is less comfortable and adjustable
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Omega Speedmaster Triple Calendar Day-Date Ref.3221.30.00 40mm | Great Condition (With Box & Serviced) | $2450
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
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2019 Omega Speedmaster (FOIS) - 311.32.40.30.01.001 - Box and Papers - $4,295 Shipped ✈️
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
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Omega Speedmaster Date 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
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OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 🔥$10,000🔥
The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 Ref. 311.92.44.30.01.001 commemorates the 50th anniversary of the Apollo 8 mission, the first to orbit the moon. This 44.25mm masterpiece is crafted from a single block of black ceramic, offering unparalleled scratch resistance and a sleek, modern aesthetic.
- Condition: UNWORN
- Case material: black ceramic
- Case size: 44.25mm
- Dial design: skeletonized and laser-ablated
![[WTS] Omega Speedmaster Professional Moonwatch – Ref. 310.30.42.50.01.001 – Excellent Condition – Watch Only](https://preview.redd.it/ov34b5dx52tg1.jpg?width=640&crop=smart&auto=webp&s=3304c32715cd457e0e61ebc052dda62b7e59b62d)
Omega Speedmaster Professional Moonwatch – Ref. 310.30.42.50.01.001 – Excellent Condition – Watch Only
This Omega Speedmaster Professional Moonwatch features the iconic Hesalite crystal and manual-wind Master Chronometer movement, staying true to its heritage while adding updated movement technology and finishing.
- Condition: Excellent condition, Near mint
- Case Size: 42mm
- Movement: Manual-wind Co-Axial Master Chronometer (Cal. 3861)
- Crystal: Hesalite
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Price Drop Omega SpeedMaster Pilot 40.85mm
The Omega Speedmaster Pilot Chronograph is a modern aviation-inspired chronograph that blends legendary Speedmaster DNA with a clean, instrument-driven design.
- Case Size: 40.85mm
- Case Material: Stainless Steel
- Dial: Matte Black
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Omega Speedmaster Professional White Dial - $7,150
This Omega Speedmaster Professional features a beautiful white lacquered dial with red lettering, sapphire crystal and caseback, and a gorgeous 3861 movement. It comes on a metal band in very good condition and includes an additional OEM Omega black leather band.
- Condition: Very good condition, minor hairline scratches
- Movement: 3861
- Year serviced: 2026
- Warranty condition: 2024 dated