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 - Silver Snoopy - 310.32.42.50.02.001 ( excellent )
This is an excellent condition Omega Speedmaster Moonwatch Silver Snoopy Award 50th Anniversary, a luxury watch with a 42mm stainless steel case and Omega Master Chronometer movement.
- Condition: Excellent Condition
- Case size: 42mm diameter
- Movement: Omega Master Chronometer Movement
![[WTS] Omega Speedmaster Professional Moonwatch Hesalite 3861 - Box & Papers](https://preview.redd.it/ktdm13rt5wbf1.jpeg?auto=webp&s=0212bdf1838874d4cad844ef8d8f3e227923d90a)
Omega Speedmaster Professional Moonwatch Hesalite 3861 - Box & Papers
The Omega Speedmaster Professional Moonwatch Hesalite 3861 features a manual-winding chronograph movement and hesalite crystal. It comes in a 42mm stainless steel case with an Omega nylon fabric strap.
- Condition: Very good
- Case size: 42mm diameter
- Material: stainless steel
- Movement: Omega Caliber 3861, manual-winding chronograph
![[WTS] Omega Speedmaster. Moonwatch. 3590.50. Tritium. Gorgeous wooden box..](https://preview.redd.it/r5urq4kqpubf1.jpeg?auto=webp&s=d2bf2a9aba7e2a579a300774540f1f5efa196577)
Omega Speedmaster. Moonwatch. 3590.50. Tritium. Gorgeous wooden box..
This Omega Speedmaster Moonwatch features a tritium dial and comes with its original box, link, and manual.
- Box material: wooden

Pre-Owned Omega Speedmaster CK2998 Anniversary Series Chronograph 311.33.40.30.02.001
Pre-owned Omega Speedmaster CK2998 Anniversary Series Chronograph with a silver dial, stainless steel case, and 40mm diameter. The watch features a hand-wind movement and has a water resistance of 50 meters.
- Condition: 86% condition due to slight marks on the lugs, bezel, and throughout the case
- Case Size Diameter: 40mm
- Material: Stainless Steel
- Dial Color: Silver
![[WTS] Omega Speedmaster Moonphase Triple Date](https://preview.redd.it/vcemnk9j1rbf1.jpg?width=640&crop=smart&auto=webp&s=2b1b515a5bd6ff4a70ef93856b5042b6752e82be)
Omega Speedmaster Moonphase Triple Date
A beautiful two-tone Omega Speedmaster featuring a moon phase complication, available on a quality leather strap. The watch has a silky white dial with a gold bezel and is in overall good condition for its age.
- Condition: good condition for its age with some normal wear on the case and bezel
- Movement: Cal 1152
- Size: 39mm diameter
- Case material: two-tone
![[wts] OMEGA Speedmaster Professional 3861 'Sapphire Sandwich' , Ref. 310.32.42.50.01.002 full set](https://preview.redd.it/nr88326qlqbf1.jpg?width=640&crop=smart&auto=webp&s=3cdfa532f5c25c2aa8c2e9e112f9a558e72ef0f9)
OMEGA Speedmaster Professional 3861 'Sapphire Sandwich' , Ref. 310.32.42.50.01.002 full set
A well-maintained Omega Speedmaster Professional 3861 'Sapphire Sandwich' in good condition, featuring a sapphire crystal sandwich dial.
- Condition: Really good condition, small scratches on bracelet and clasp
- Service history: Never serviced
- Warranty: Under warranty until 3/25/2025
- Inclusions: Extra links, Omega box, booklet, manual, international warranty, master chronometer card, pictograms card
Omega Speedmaster ’57 332.10.41.51.01.001
The Omega Speedmaster ’57 Heritage is a modern classic that pays homage to the first Speedmaster from 1957. It features a manual-winding chronograph with a column-wheel mechanism and a transparent sapphire crystal case back.
- Condition: really good condition
- Movement: Omega Co-Axial Master Chronometer Calibre 9906
- Case Size: 40.5mm diameter
- Water Resistance: 50m depth rating
![[WTS] Omega Speedmaster FOIS: First Omega in Space 311.32.40.30.01.001](https://preview.redd.it/f25kztby2qbf1.jpeg?auto=webp&s=d7e17c1e2cb0cd210e81af905621bf9ee7458a9c)
Omega Speedmaster FOIS: First Omega in Space 311.32.40.30.01.001
The Omega Speedmaster FOIS was inspired by the watch worn by astronaut Wally Shirra in 1962 as he orbited the earth during the "Sigma 7" mission. It has a 39.7mm case and is manually powered by the 1861 movement.
- Condition: Wear throughout but no damage worth noting except some marks under lugs where strap changes occur
- Case dimensions: 39.7mm diameter
- Lug width: 19mm
- Height: 47mm
![[WTS] Omega Speedmaster Apollo Soyuz - Meteorite Speedy ☄️](https://preview.redd.it/x37cqb9puobf1.jpeg?auto=webp&s=8ffd06ef6e7ab834a531b4c1e14b7a206ee08295)
Omega Speedmaster Apollo Soyuz - Meteorite Speedy ☄️
The Omega Speedmaster Apollo Soyuz Meteorite is a limited edition Moonwatch celebrating the Apollo-Soyuz Test Project, featuring a meteorite dial made from an actual fragment of a meteorite.
- Condition: Excellent condition all around
- Case size: 42mm diameter
- Movement: Omega caliber 1861 manual winding