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.
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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
![[WTS] Omega Speedmaster Professional 42mm “Sapphire Sandwich” 310.30.42.50.01.002 - 11/2025 Complete Set](https://preview.redd.it/vnn414eqpsag1.jpg?width=640&crop=smart&auto=webp&s=5534bbf300c79cd8f3ebc40c9a13858961aafb05)
Omega Speedmaster Professional 42mm “Sapphire Sandwich” 310.30.42.50.01.002 - 11/2025 Complete Set
This is a brand new Omega Speedmaster Professional 'Sapphire Sandwich' 42mm watch, coming with a complete set including the watch itself, 11/2025 card, triple-boxed packaging, serial tag, manual, and Master Chronometer certification.
- Condition: Like New
- Case size: 42mm
- Depth rating: 30m
- Service history: Unknown
![[WTS] 2025 Omega Speedmaster Professional “Sapphire Sandwich” Moonwatch – Latest Model, MINT OPEN BOX CONDITION – Ref. 310.30.42.50.01.002 – COMPLETE SET – USA Warranty thru Aug 2030 – $6,900 FIRM net + 🏷️ within CONUS ($9000 MSRP)](https://preview.redd.it/fckv6t3nisag1.jpg?width=640&crop=smart&auto=webp&s=892793c3d1070f520a85374908689d1575d10acf)
2025 Omega Speedmaster Professional “Sapphire Sandwich” Moonwatch – Latest Model, MINT OPEN BOX CONDITION – Ref. 310.30.42.50.01.002 – COMPLETE SET – USA Warranty thru Aug 2030 – $6,900 FIRM net + 🏷️ within CONUS ($9000 MSRP)
The Omega Speedmaster Professional 'Sapphire Sandwich' Moonwatch is the latest generation with a Master Chronometer movement.
- Condition: Mint open box condition, worn twice
- Movement: Omega 3861 Master Chronometer
- Crystal: sapphire crystal front and exhibition sapphire caseback
- Case Size: 42mm diameter
![[WTS] Omega Speedmaster Reduced 3510.50 – Papers & extra Uncle Seiko bracelet](https://preview.redd.it/30dgcxnnsrag1.jpg?width=640&crop=smart&auto=webp&s=518de674a0a1a6ec6611bca8abcb3d834cd6f24d)
Omega Speedmaster Reduced 3510.50 – Papers & extra Uncle Seiko bracelet
Up for sale is my Omega Speedmaster Reduced ref. 3510.50, a classic automatic Speedmaster in great overall condition.
- Condition: Very good, with normal light wear consistent with use
- Case size: 39mm diameter
- Movement: Automatic chronograph
- Year: 2005
![[WTS] [EU] Omega Speedmaster Professional 145.022](https://preview.redd.it/l0za8bqt8qag1.jpg?width=640&crop=smart&auto=webp&s=57c449379d89a032b59c6a108e8812dadcec6fed)
[EU] Omega Speedmaster Professional 145.022
This Omega Speedmaster Professional is a pre-owned watch in poor condition. The hesalite crystal is badly scratched, and the case and strap are worn out. The chronograph function is not working.
- Condition: Bad
- Service history: No service history
- Chronograph buttons: Bottom button presses in, top button does not press in
- Movement untouched: Minimum 40-50 years since last opened
![[WTS] Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥](https://preview.redd.it/ah9sns4x5pag1.jpg?width=640&crop=smart&auto=webp&s=a7ace6b1e1d3927887325f8ed7a83f5997fca072)
Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥
A classic 1969 Omega Speedmaster Moonwatch featuring the step dial and flat case back, presenting beautifully in full steel with a warm yellow patina and grey 'ghost' bezel.
- Condition: Serviced, lightly polished case with original step dial and tritium lume
- Size: 42mm
- Year: 1969
- Movement serviced: true
![[WTS] Omega Speedmaster Racing “Blue Dial” 40mm 326.30.40.50.03.001 | 2022 Box and Papers](https://preview.redd.it/ganctj2pdoag1.jpg?width=640&crop=smart&auto=webp&s=25feb16dba9bd67655bc025c2993a929cc216fd4)
Omega Speedmaster Racing “Blue Dial” 40mm 326.30.40.50.03.001 | 2022 Box and Papers
2022 Omega Speedmaster Racing "Blue Dial" 40mm watch with slight wear on the bracelet, sold in its original 2022 box and papers.
- Condition: Excellent Pre-Owned Condition
- Bracelet links: 12 full links, couple half links
- Amp hours: 350
![[WTS] OMEGA_Co-Axial_Speedmaster_Racing_326.30.40.50.01.002_Reverse_Panda](https://preview.redd.it/r6tgwi5ksmag1.jpg?width=640&crop=smart&auto=webp&s=3a20587d97807e7e13673dd6602c27f9d74dbbed)
OMEGA_Co-Axial_Speedmaster_Racing_326.30.40.50.01.002_Reverse_Panda
A pre-owned OMEGA Co-Axial Speedmaster Racing watch in good condition, featuring a reverse panda dial. It comes with original authentication cards and an aftermarket box.
- Condition: Pre-Owned, typical desk diving marks, scuffs on the clasp
- Water Resistance: 30m
- Strap Type: Leather, Hirsch
- Buckle Type: Authentic 18mm OMEGA
![[WTS] 2024 Omega Speedmaster Professional 3861 Sapphire Sandwich with OTF clasp](https://preview.redd.it/gvwx31r1dmag1.jpg?width=640&crop=smart&auto=webp&s=30adc30765140f1122e79a11c21418b572bd451f)
2024 Omega Speedmaster Professional 3861 Sapphire Sandwich with OTF clasp
The Omega Speedmaster Professional is a high-end watch featuring an updated clasp and full kit, along with its warranty. It has a good condition with just faint hairlines on the clasp.
- Condition: excellent to near like new
- Clasp type: On-the-Finger (OTF)
- Warranty status: stamped Spring of last year
- Condition notes: very faint hairlines on the clasp, zero gashes/dings
![[WTS] Omega Speedmaster Mark II Ref 145.034 Chronograph Watch $1750](https://preview.redd.it/w19ax2734mag1.jpg?width=640&crop=smart&auto=webp&s=89422b3fcb9857c38b73e574ba586612c6b06fd1)
Omega Speedmaster Mark II Ref 145.034 Chronograph Watch $1750
The listing is for a Omega Speedmaster Mark II Ref 145.034 Chronograph Watch.