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

Reference 310.55.42.50.52.002

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 Sapphire - 310.30.42.50.01.002, Full Set, Excellent condition!

Omega Speedmaster Sapphire - 310.30.42.50.01.002, Full Set, Excellent condition!

This Omega Speedmaster Sapphire is a classic model with a sapphire sandwich design and is in amazing condition. It presents as new and features a running great movement with no issues.

  • Condition: Excellent, 98%
  • Movement Status: running great
  • Chrono Functionality: works flawlessly
Posted at
May 24, 2026, 3:11 PM
Active
[WTS] 2023 Omega Speedmaster Moonphase Blue Side of the Moon 304.93.44.52.03.001 Full Set - $9,395

2023 Omega Speedmaster Moonphase Blue Side of the Moon 304.93.44.52.03.001 Full Set - $9,395

Up for sale is a Omega Speedmaster Moonwatch - Blue Side of the Moon, a 2023 model with various accessories included.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2023
  • Shipping: Fully insured in the USA through Fedex free of charge within 24 hours
Posted at
May 24, 2026, 11:42 AM
Active
[WTS] 2020 Omega Speedmaster Moonphase Black 304.30.44.52.01.001 Full Set - $7,995

2020 Omega Speedmaster Moonphase Black 304.30.44.52.01.001 Full Set - $7,995

Up for sale is a Omega Speedmaster Moonphase Black, a watch in excellent condition with minimal signs of wear.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2020
  • Box Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
Posted at
May 24, 2026, 11:41 AM
Active
[WTS] Omega Speedmaster MK40 Ref. 3520.53 | Triple Calendar Automatic Chronograph | Grey Delugs Strap | $2,850

Omega Speedmaster MK40 Ref. 3520.53 | Triple Calendar Automatic Chronograph | Grey Delugs Strap | $2,850

Omega - 3520.53 · $2,850
This Omega Speedmaster MK40 features a multicolor dial layout with chronograph, day, date, month, and 24-hour indication in a very wearable automatic case.

  • Condition: Good pre-owned condition
  • Movement: Automatic chronograph
  • Case size: Approx. 39mm
  • Lug width: 18mm
Posted at
May 23, 2026, 6:47 PM
Active
[WTS] Omega Speedmaster FOIS “First Omega in Space”. 310.32.40.50.06.002. Full Kit.

Omega Speedmaster FOIS “First Omega in Space”. 310.32.40.50.06.002. Full Kit.

  • Model name: Speedmaster FOIS 'First Omega in Space'
  • Shipping: Fedex with insurance worldwide
Posted at
May 23, 2026, 10:50 AM
Active
[WTS] Memorial Day Weekend Sale – Omega Speedmaster Professional 3861 Sapphire (2022) – Full Set – Original Clasp + Micro-adjust Clasp – $6375 + shipping obo

Memorial Day Weekend Sale – Omega Speedmaster Professional 3861 Sapphire (2022) – Full Set – Original Clasp + Micro-adjust Clasp – $6375 + shipping obo

Omega - 3861 Sapphire · $6,375
This is the latest generation Omega Speedmaster Professional Moonwatch with a Co-Axial Master Chronometer movement and sapphire crystal front and back, available in excellent overall condition.

  • Condition: Excellent overall condition, very light wear from normal use
  • Movement: Co-Axial Master Chronometer
  • Crystal: sapphire crystal, both front and back
Posted at
May 23, 2026, 9:56 AM
Active
[WTS] Omega Speedmaster Professional (310.30.42.50.01.002)

Omega Speedmaster Professional (310.30.42.50.01.002)

This Omega Speedmaster Professional features a black dial, sapphire crystal on a steel bracelet, and is in excellent condition with only a few light marks.

  • Condition: Excellent condition with a few light marks
  • Case Size: 42mm diameter
  • Case Material: Stainless Steel
  • Bracelet Material: Stainless Steel
Posted at
May 23, 2026, 7:27 AM
Active