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 Rattrapante Split Seconds 3540.50 - Carbon Dial - $2600 SHIPPED](https://preview.redd.it/fbnucx3caywf1.jpeg?auto=webp&s=1c7919bccbcf91a61691586d7982dae9b9bed9ab) 
                    Omega Speedmaster Rattrapante Split Seconds 3540.50 - Carbon Dial - $2600 SHIPPED
                            
                                This Omega Speedmaster Rattrapante Split Seconds features a rare reference with a rattrapante (split-seconds) chronograph and a robust automatic movement. The watch has a 42mm diameter and a beautiful 3D Carbon Dial.
                                                       
                            
                    
                    
                    
                - Condition: Good condition with light scratches on the case, bezel and bracelet.
- Case Size: 42mm
- Dial Material: Carbon
![[WTS] Omega Speedmaster. Mother of pearl dial. 39mm. Sapphire Crystal. Automatic. Olympics Special Edition.](https://preview.redd.it/4czu7lia4ywf1.jpeg?auto=webp&s=66d0321f4f9be7d6eae2744f97041b1c52f77196) 
                    Omega Speedmaster. Mother of pearl dial. 39mm. Sapphire Crystal. Automatic. Olympics Special Edition.
                            
                                This Omega Speedmaster is a 39mm automatic watch featuring a mother of pearl dial and sapphire crystal. It's an Olympics Special Edition model.
                                                       
                            
                    
                    
                    
                - Condition: Clean
- Diameter: 39mm
- Case material:
- Movement: Automatic
![[WTS] BNIB 2025 OMEGA Speedmaster Moonwatch Professional 310.30.42.50.01.001 Full Set 5 Year Warranty](https://preview.redd.it/qti4qt5k3ywf1.jpg?width=640&crop=smart&auto=webp&s=05d3fe936e95056cc8a2af507e3ffdfe8a3d210b) 
                    BNIB 2025 OMEGA Speedmaster Moonwatch Professional 310.30.42.50.01.001 Full Set 5 Year Warranty
                            
                                A brand new, unworn OMEGA Speedmaster Moonwatch Professional with a full set of accessories and a 5-year factory warranty.
                                                       
                            
                    
                    
                    
                - Condition: New, unsized/unworn
- Size: 42mm diameter
- Year: 2025
- Warranty: 5 year factory warranty
![[WTS] Reduced Price! Omega Speedmaster “Triple Date” 3521.30.00 – Fully Overhauled by Omega Service Center (Jan 2025) – $2,175 OBO Shipped (CONUS)](https://preview.redd.it/6i6bdoigqwwf1.jpg?width=640&crop=smart&auto=webp&s=c0b5702ff755a5ea7811ea2e44d549c806be5fa2) 
                    Reduced Price! Omega Speedmaster “Triple Date” 3521.30.00 – Fully Overhauled by Omega Service Center (Jan 2025) – $2,175 OBO Shipped (CONUS)
                            
                                For sale is my Omega Speedmaster Chronograph 'Triple Date' (Ref. 3521.30.00), a fully overhauled timepiece with excellent condition and functionality.
                                                       
                            
                    
                    
                    
                - Condition: Excellent post-service condition — running perfectly
- Case Material: stainless steel
- Case Size: 39mm diameter
- Lug Width: 18mm
![[WTS] Omega Speedmaster Apollo 17 45th Anniversary (2-yr warranty) Ref: 311.30.42.30.03.001](https://preview.redd.it/rw8cgg237vwf1.jpg?width=640&crop=smart&auto=webp&s=aec3a45435ce844feb1b3ffd4f4712c34aa374ef) 
                    Omega Speedmaster Apollo 17 45th Anniversary (2-yr warranty) Ref: 311.30.42.30.03.001
                            
                                This Omega Speedmaster Apollo XVII is a limited edition watch commemorating the 45th anniversary of the final moon landing in 1972, featuring a polished blue ceramic dial and stainless steel case.
                                                       
                            
                    
                    
                    
                - Condition: Very good condition with slight imperfections on the dial
- Case Diameter: 42mm
- Water Resistance: 50m / 167ft
- Movement Type: Manual-Winding Chronograph Movement
![[WTS] Omega Speedmaster Moonwatch Professional Moonshine Gold 42mm Complete Set 310.62.42.50.99.001](https://preview.redd.it/likia3rfxuwf1.jpeg?auto=webp&s=41f931797e00faf420145f44c9b9891faf19c078) 
                    Omega Speedmaster Moonwatch Professional Moonshine Gold 42mm Complete Set 310.62.42.50.99.001
                            
                                This Omega Speedmaster Moonwatch Professional features a 18kt moonshine gold case with a gold and black dial, anti-magnetic co-axial escapement, and comes in its original box and papers.
                                                       
                            
                    
                    
                    
                - Condition: Excellent condition with little to no signs of wear
- Movement: Mechanical (Automatic)
- Case Size: 42mm diameter
- Water Resistance: 50m depth rating
![[WTS] Omega Speedmaster 311.93.44.51.99.001 Grey Side of the Moon 2018 Year](https://preview.redd.it/dcbu26d9rswf1.jpg?width=640&crop=smart&auto=webp&s=74c956cdc0f0de95fb10acff47a2a0ad51256e69) 
                    Omega Speedmaster 311.93.44.51.99.001 Grey Side of the Moon 2018 Year
                            
                                This Omega Speedmaster Grey Side of the Moon is a 2018 model, featuring a pre-owned watch in excellent condition with minimal scratches.
                                                       
                            
                    
                    
                    
                - Condition: Preowned, minor hairline scratches and possibly a clean crystal with marks under strong magnification
- Year: 2018
- Shipping method: FedEx, insured, 2-day shipping
![[WTS] Omega Speedmaster. Mother of pearl dial. 39mm. Sapphire Crystal. Auto. 🔥](https://preview.redd.it/a6qefo8adrwf1.jpeg?auto=webp&s=6d9bd4f048e25cbd320c7f88d388570b1d05f40b) 
                    Omega Speedmaster. Mother of pearl dial. 39mm. Sapphire Crystal. Auto. 🔥
                            
                                A rare Omega Speedmaster with a mother of pearl dial and sapphire crystal, available for sale in excellent condition.
                                                       
                            
                    
                    
                    
                - Diameter: 39mm
- Movement: auto
![[WTS]🔥OMEGA SPEEDMASTER MOONWATCH PROFESSIONAL SAPPHIRE SANDWICH 310.30.42.50.01.002 COMPLETE 10/2025 WITH STICKERS!!!🔥](https://preview.redd.it/8dhqvsck8rwf1.jpg?width=640&crop=smart&auto=webp&s=701d07d42af7d185cf3448529bdd51d8e0bfa31d) 
                    🔥OMEGA SPEEDMASTER MOONWATCH PROFESSIONAL SAPPHIRE SANDWICH 310.30.42.50.01.002 COMPLETE 10/2025 WITH STICKERS!!!🔥
                            
                                A brand new, unworn OMEGA Speedmaster Moonwatch Professional Sapphire Sandwich with a black dial and stainless steel case.
                                                       
                            
                    
                    
                    
                - Condition: Brand new/unworn
- Case Size: 42mm diameter
- Material: Stainless Steel
