Omega Speedmaster Speedmaster Professional Moonwatch 3861 Canopus Gold - Rainbow / Silver - Rainbow / Bracelet

Reference 310.55.42.50.52.002

Omega Speedmaster Professional Moonwatch 3861 Canopus Gold - Rainbow / Silver - Rainbow / Bracelet

About this watch

The Omega Speedmaster Professional Moonwatch 310.55.42.50.52.002 is a legendary timepiece that combines stunning aesthetics with advanced horological technology. This manual-winding chronograph movement boasts exceptional precision and reliability, featuring a co-axial escapement and silicon balance spring. The watch's luxurious materials, including Canopus gold and gem-set bezel, add a sophisticated touch. With its water resistance of 50 meters, this watch is perfect for everyday adventures. The Speedmaster series is Omega's flagship line, known for its association with space exploration, making it a worthy investment for collectors and enthusiasts.
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Key Features

  • Omega caliber 3861 movement
  • Canopus gold case and bezel
  • Gem-set indexes and rainbow accents
  • Chronograph function with co-axial escapement
  • Silicon balance spring for exceptional reliability
  • Water resistance of 50 meters

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Canopus Gold - Rainbow / Silver - Rainbow / Bracelet
Reference
310.55.42.50.52.002
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 Moon Watch 42mm Steel 311.30.42.30.01.005 Box & Manual

Omega Speedmaster Professional Moon Watch 42mm Steel 311.30.42.30.01.005 Box & Manual

Omega - 311.30.42.30.01.005 · $5,100
A stainless steel Omega Speedmaster Professional Moon Watch in 42mm diameter with a black dial and manual wind movement.

  • Condition: Preowned with scratches on the case, bracelet, buckle and light scratches on the crystal
  • Case dimensions: 42mm diameter
  • Band material: Stainless Steel Bracelet
  • Additional straps: 2
Posted at
Apr 18, 2026, 8:13 PM
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[WTS] Omega Speedmaster Professional Sapphire - 310.30.42.50.01.002 - Full Kit - Price Reduced

Omega Speedmaster Professional Sapphire - 310.30.42.50.01.002 - Full Kit - Price Reduced

Omega - 310.30.42.50.01.002 · $6,695
The Omega Speedmaster Professional is a modern interpretation of the iconic design, featuring a sapphire crystal front and display caseback with a view of the Omega movement.

  • Condition: Near like-new
  • Size: 42mm diameter
Posted at
Apr 18, 2026, 6:01 PM
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[WTS] Omega Speedmaster Reduced - Mother of Pearl - White Dial - Factory Strap

Omega Speedmaster Reduced - Mother of Pearl - White Dial - Factory Strap

Omega - Speedmaster Reduced · $2,350
A super rare and unique Omega Speedmaster reduced model with a 39mm case, featuring a stunning Mother of Pearl dial.

  • Condition: Good condition for the age
  • Case size: 39mm
  • Strap type: Leather (factory)
  • Bezel wear: Some wear
Posted at
Apr 18, 2026, 5:59 PM
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[WTS] 2023 Omega Speedmaster ’57 Blue Dial 41.5mm 332.10.41.51.03.001 Full Set Excellent

2023 Omega Speedmaster ’57 Blue Dial 41.5mm 332.10.41.51.03.001 Full Set Excellent

Omega - 332.10.41.51.03.001 · $8,300
The Omega Speedmaster '57 features a striking sun-brushed blue dial with vintage-inspired hands and recessed sub-dials, paying homage to the iconic original.

  • Condition: Excellent
  • Diameter: 40.5mm
  • Material: stainless steel
Posted at
Apr 18, 2026, 2:38 PM
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[WTS] 2024 Omega Speedmaster ’57 Sedna Gold Two-Tone 41.5mm 331.22.42.51.01.001 Full Set Excellent

2024 Omega Speedmaster ’57 Sedna Gold Two-Tone 41.5mm 331.22.42.51.01.001 Full Set Excellent

Omega - 331.22.42.51.01.001 · $7,450
A vintage-inspired Speedmaster with modern Master Co-Axial engineering, featuring 18K Sedna gold case and black dial.

  • Condition: Excellent
  • Case material: 18K Sedna gold
  • Diameter: 41.5mm
Posted at
Apr 18, 2026, 2:33 PM
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[WTS] Omega Speedmaster 3513.20 Chrnograph Olympic Special Edition Blue Red Hands |Good conditon| Serviced| Full Box Paper Tag| 2300$

Omega Speedmaster 3513.20 Chrnograph Olympic Special Edition Blue Red Hands |Good conditon| Serviced| Full Box Paper Tag| 2300$

Omega - 3513.20 · $2,300
This Omega Speedmaster stands out with its white dial and eye-catching red and blue hands, making it a unique piece.

  • Condition: Good Condition, Serviced
  • Case Size: 39mm diameter
  • Crystal: Sapphire crystal
  • Lug Width: 20mm
Posted at
Apr 18, 2026, 12:59 PM
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[WTS] Omega Speedmaster Day-Date "Reduced" | Black Dial Ref. 3520.50 | 39mm | Stainless Steel | Full Collector's Set

Omega Speedmaster Day-Date "Reduced" | Black Dial Ref. 3520.50 | 39mm | Stainless Steel | Full Collector's Set

Omega - 3520.50 · $62,000
This Omega Speedmaster Day-Date is a black dial model with reference number 3520.50 and features a 39mm stainless steel case.

  • Size: 39mm diameter
Posted at
Apr 18, 2026, 11:53 AM
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[WTS] Omega Speedmaster Automatic 3513.50 - Suede Leather Strap - Good Condition

Omega Speedmaster Automatic 3513.50 - Suede Leather Strap - Good Condition

Omega - 3513.50 · $1,800
A 39mm Omega Speedmaster Automatic with automatic winding, date display, running seconds, chronograph minutes, and chronograph hours features.

  • Condition: Good condition with signs of wear
  • Case size: 39mm
  • Material: Automatic
Posted at
Apr 18, 2026, 11:51 AM
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[WTS] Omega Speedmaster Professional (310.30.42.50.04.001)

Omega Speedmaster Professional (310.30.42.50.04.001)

Omega - 310.30.42.50.04.001 · $7,600
This Omega Speedmaster Professional features a white dial on a steel bracelet, with a case size of 42mm. It is powered by the manual caliber 3861 movement and comes with boxes, booklet, and warranty card.

  • Condition: Excellent
  • Case Size: 42mm
  • Case Material: Stainless Steel
  • Bracelet Material: Stainless Steel
Posted at
Apr 18, 2026, 8:01 AM
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