Omega Speedmaster Speedmaster Professional Moonwatch 3861 Canopus Gold - Baguette / Silver - Diamond / Bracelet
Reference 310.55.42.50.52.004
About this watch
The Omega Speedmaster Professional Moonwatch 310.55.42.50.52.004 is a masterpiece of luxury watchmaking, marrying cutting-edge technology with exquisite craftsmanship. This modern iteration of the iconic 'Moonwatch' pays homage to its rich history while incorporating contemporary advancements. The Canopus Gold case features a sunburst finish and gem-set bezel, radiating elegance and opulence. The manual-winding chronograph movement boasts 50 hours of power reserve and resistance to magnetic fields up to 15,000 gauss. With its robust features, stunning design, and historical significance, this timepiece is a worthy investment for serious collectors and space enthusiasts. Its impeccable performance and timeless appeal make it a statement piece that will remain a favorite for years to come.
Buy Now on Jomashop
This is an affiliate link
Key Features
- Manual-winding chronograph movement
- Canopus Gold case with sunburst finish and gem-set bezel
- Master Chronometer certification by METAS
- Resistance to magnetic fields up to 15,000 gauss
- 50 hours of power reserve
- Co-Axial escapement and Silicon balance spring
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Canopus Gold - Baguette / Silver - Diamond / Bracelet
- Reference
- 310.55.42.50.52.004
- Movement
- 3861
- Movement Features
-
- Small Seconds, Hours, Minutes
- Chronograph
- Chronometer
- Case
- White Gold 42mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings

Omega SPEEDMASTER PROFESSIONAL MOONWATCH 3861 WHITE DIAL 2025 WARRANTY FULL SET
This is a new 2025 model Omega Speedmaster Professional Moonwatch with a 42mm stainless steel case and white dial, featuring a manual-winding chronograph movement with co-axial escapement.
- Condition: Excellent Condition
- Movement: 3861 Manual-Winding Chronograph
- Case material: Stainless Steel
- Diameter: 42mm
![[WTS] Omega Speedmaster Automatic MK40 Day Date Ref 3520.53](https://external-preview.redd.it/7nGkjbMhVxrm84CqOK5ux_m_3x-lP765HQ1Dz5Kr_aU.jpeg?auto=webp&s=914f577263d19c6a84251a5d3b5824ad90e22b02)
Omega Speedmaster Automatic MK40 Day Date Ref 3520.53
One of the coolest Speedmaster variants, featured in A Man and His Watch, with a tritium dial and luminova hands.
- Condition: Pre-owned, with wear and dings on the bezel, insert, and case
- Case size: 39mm diameter

Omega Speedmaster Professional Tokyo 2020 522.30.42.30.03.001
This Omega Speedmaster Professional Tokyo 2020 is a high-end watch that comes with its original boxes and books, but no warranty card. It's in excellent condition.
- Condition: Excellent condition
- Box And Papers: includes
- Warranty Card: no
![[WTS] Omega Speedmaster Professional Sapphire 3861](https://external-preview.redd.it/GFyeMHjiQugc7k3v7DpjwLCL0zKQBy4P6cRRNI8ynoc.jpeg?auto=webp&s=ba20feb41ea99b61fea9993fbc3097cd9d62b82c)
Omega Speedmaster Professional Sapphire 3861
A Omega Speedmaster Professional Sapphire Sandwich sold on an OEM rubber strap, also including an unworn leather strap and full kit of original accessories.
- Condition: Excellent preowned
- Strap included: 2
- Case condition: preowned

Omega Speedmaster - First Omega in Space - FOIS - 310.30.40.50.06.001 ( new )
This Omega Speedmaster 3861 Anniversary Series is a brand new First Omega in Space (FOIS) model, reference # 310.30.40.50.06.001, featuring a stainless steel case and Omega 3861 calibre.
- Condition: Brand New / Complete Set
- Case Size: 39.7mm
- Material: Stainless Steel
- Calibre: Omega 3861
![[WTS] White Omega Speedmaster Pro](https://preview.redd.it/8vigxlnkkc6f1.jpg?width=640&crop=smart&auto=webp&s=50e9a6ec643c18bfa7d032ecdc85d3cb870fd824)
White Omega Speedmaster Pro
A white dial Omega Speedmaster Pro comes with a box and card, and has a warranty dated July 2024.
- Box: yes, included
- Card: yes, included
- Warranty: until July 2026
![[WTS] OMEGA Speedmaster Dark Side of the Moon “Black Black”- DSOTM - 311.92.44.51.01.005](https://preview.redd.it/jpel7nirib6f1.jpg?width=640&crop=smart&auto=webp&s=d2afe3ae6f1cc6e1d4ac2e36a6c51af04fdb689e)
OMEGA Speedmaster Dark Side of the Moon “Black Black”- DSOTM - 311.92.44.51.01.005
This is a rare Omega Speedmaster Dark Side of the Moon "Black Black" watch, one of only 56 pieces made in this colorway.
- Condition: Excellent condition, very little signs of wear
- Case Diameter: 44mm
- Band Material:
- Movement Type:
![[WTS] Omega Speedmaster Professional Rubber strap with fold over clasp $500](https://external-preview.redd.it/eJ5kngWdNFHUme9RGEt4LJw0JOBzXsn9IA8DRREab4E.jpeg?auto=webp&s=3da254ad4064ab936f192cbc12f58761d722f866)
Omega Speedmaster Professional Rubber strap with fold over clasp $500
A rubber strap for an Omega Speedmaster Professional, purchased from Omega and used for about two months.
- Condition: Pre-owned with minor damage
- Material: rubber
- Strap Condition: pre-owned
- Damage Description: scratch on the clasp
![[WTS] Omega Speedmaster Broad Arrow $3900](https://preview.redd.it/rcdt3dwyu66f1.jpg?width=640&crop=smart&auto=webp&s=22637bdcd6c945435fe37c1c21eeb7b342c09dcf)
Omega Speedmaster Broad Arrow $3900
- Key1: $3900