Omega Speedmaster Speedmaster Professional Moonwatch 3861 Canopus Gold - Baguette / Silver - Diamond / Bracelet

Reference 310.55.42.50.52.004

Omega Speedmaster Professional Moonwatch 3861 Canopus Gold - Baguette / Silver - Diamond / Bracelet

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

[WTS] 1450 President Bracelet for Omega Speedmaster Professional 20mm - Uncle Straps / Uncle Seiko

1450 President Bracelet for Omega Speedmaster Professional 20mm - Uncle Straps / Uncle Seiko

Omega - Speedmaster Professional 1861 · $80
A Presidential/Lincoln bracelet designed for the Omega Speedmaster professional, available in two different styles to make the watch wear smaller or more dressy.

  • Condition: good shape with normal desk diving scrapes on the clasps
  • Lug width to buckle: 20mm to 16mm
  • Length: 180mm
  • Min length after adjusted: 120mm
Posted at
May 14, 2026, 4:53 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Professional Sapphire Sandwich ref. 310.30.42.50.01.002 Full Set w/ Original Receipt

Omega Speedmaster Professional Sapphire Sandwich ref. 310.30.42.50.01.002 Full Set w/ Original Receipt

Omega - 310.30.42.50.01.002 · $6,700
A great example of the classic Omega Speedmaster Professional 'Sapphire Sandwich' in 42mm size, purchased new from an Omega store.

  • Condition: Near new, one owner
  • Size: 42mm
  • Bracelet clasp wear: Minor
  • Box and papers included: Yes
Posted at
May 14, 2026, 4:41 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )

Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )

Omega - 310.30.42.50.01.002 · $7,250
This Omega Speedmaster Moonwatch Professional is a brand new watch with all original packaging and papers, featuring a stainless steel case and Master Chronometer movement.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Movement type: Master Chronometer
Posted at
May 14, 2026, 2:59 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )

Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )

Omega - 310.30.42.50.01.001 · $6,250
This Omega Speedmaster Moonwatch Professional features a 42mm stainless steel case and is powered by the 3861 Omega Master Chronometer movement.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Movement: 3861 Omega Master Chronometer
  • Crystal material: Hesalite
Posted at
May 14, 2026, 2:53 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster '57 Manual Wound 332.10.41.51.01.001 $5,299

Omega Speedmaster '57 Manual Wound 332.10.41.51.01.001 $5,299

Omega - 332.10.41.51.01.001 · $5,299
The Omega Speedmaster '57 is a modern watch that balances vintage charm with sophisticated technology, ideal for those who want a dressier, traveler-friendly Speedmaster.

  • Condition: great condition with a few swirls on the bracelet clasp
  • Case Size: 40.5mm diameter
  • Lug To Lug: 49.6mm length
  • Lug Width: 20mm width
Posted at
May 14, 2026, 2:06 PM
Active
View listing on r/WatchExchange
[WTS] omega speedmaster reduced 3511.50, perfectly functional, no box and papers, 2100$

omega speedmaster reduced 3511.50, perfectly functional, no box and papers, 2100$

Omega - 3511.50 · $2,100
A 39mm Omega Speedmaster Reduced 'reverse panda' with a 1-year warranty from an Italian shop.

  • Condition: Perfectly functional
  • Case size: 39mm
  • Wrist size: 18cm maximum
Posted at
May 14, 2026, 1:43 PM
Active
View listing on r/WatchExchange
[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

Omega - 304.93.44.52.03.001 · $9,395
The Omega Speedmaster Moonwatch - Blue Side of the Moon is a 2023 model, featuring a moonphase display and a blue dial.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2023
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
  • Shipping: Fully insured in the USA through Fedex
Posted at
May 14, 2026, 12:58 PM
Active
View listing on r/WatchExchange
[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

Omega - 304.30.44.52.01.001 · $7,995
Up for sale is a Omega Speedmaster Moonphase Black, a watch that features the moon phase function, and it's in excellent condition.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2020
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
Posted at
May 14, 2026, 12:51 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Reduced 3510.50 Bracelet Set - 22 Links, Full size, 94/100 Condition, OEM 1469/811

Omega Speedmaster Reduced 3510.50 Bracelet Set - 22 Links, Full size, 94/100 Condition, OEM 1469/811

Omega - 3510.50 · $549
A full-size Omega Speedmaster Reduced bracelet set in excellent condition, featuring a stainless steel finish and an original Omega folding clasp.

  • Condition: Excellent vintage condition (94/100)
  • Model compatibility: Omega Speedmaster Reduced 3510.50
  • Bracelet reference: 1469
  • Endlinks reference: 811 (pair included)
Posted at
May 14, 2026, 8:54 AM
Active
View listing on r/WatchExchange