Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel / White / Sapphire / Bracelet

Reference 310.30.42.50.04.001

About this watch

The Omega Speedmaster Professional Moonwatch 3861, reference number 310.30.42.50.04.001, is a stunning timepiece that blends functionality with elegance. Designed for both everyday wear and special occasions, this watch boasts a rich history, a robust build, and a breathtaking aesthetic that easily draws attention. The pristine white dial exudes sophistication, while the stainless steel case measures 42 mm in diameter, striking the perfect balance between presence and wearability. The open case back showcases the intricate workings of the Caliber 3861 movement, highlighting the beauty of Swiss craftsmanship. This watch is more than just a timekeeper; it's a piece of history, a testament to Omega's commitment to precision and style.
Buy Now on Jomashop
This is an affiliate link
MSRP: $8,100
Market Price: $7,737

Key Features

  • Omega Caliber 3861 Movement
  • Master Chronometer Certification
  • Sapphire Crystal Glass
  • Tachymeter Bezel for Speed Measurement
  • Water Resistance up to 50 meters
  • Co-Axial Escapement for Improved Accuracy and Longevity
  • Manual-Winding Chronograph Movement with Power Reserve of 50 hours

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Stainless Steel / White / Sapphire / Bracelet
Reference
310.30.42.50.04.001
Movement
3861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
  • Chronometer
Case
Stainless Steel 42mm
Dial Color
White
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] Omega Speedmaster Chrono Blue Dial 43mm - 329.30.43.51.03.001 Full Set - Like New Condition - Houston, TX ๐Ÿ”ฅ๐Ÿ’ฐ6,297๐Ÿ’ฐ๐Ÿ”ฅ + ๐Ÿท๏ธ

Omega Speedmaster Chrono Blue Dial 43mm - 329.30.43.51.03.001 Full Set - Like New Condition - Houston, TX ๐Ÿ”ฅ๐Ÿ’ฐ6,297๐Ÿ’ฐ๐Ÿ”ฅ + ๐Ÿท๏ธ

Omega - 329.30.43.51.03.001 ยท $6,297
The Omega Speedmaster Chronoscope is a stylish and functional wristwatch designed for unisex adults, featuring a blue dial with spiral pattern and Arabic numerals, housed in a stainless steel case.

  • Condition: Like new condition, both mechanically and cosmetically.
  • Case size: 43mm
  • Movement type: Mechanical manual
  • Water resistance: 50m
Posted at
May 4, 2026, 6:35 PM
Active
[WTS] Omega Speedmaster OEM Rubber Strap & Deployant Clasp

Omega Speedmaster OEM Rubber Strap & Deployant Clasp

Omega - Speedmaster ยท $500
Up for sale is an Omega Speedmaster's OEM rubber strap and its clasp, in excellent condition. The deployant clasp was not used due to personal preference.

  • Material: rubber
  • Clasp type: deployant
Posted at
May 4, 2026, 3:20 PM
Active
[WTS] Omega. Speedmaster. Reverse Panda. Complete Set. $2099 Only

Omega. Speedmaster. Reverse Panda. Complete Set. $2099 Only

A complete Omega Speedmaster Reverse Panda set, featuring a 39mm case on an OEM bracelet designed for wrists up to 7 inches in circumference.

  • Condition: 7.75/10 with wear around bezel and some flea bites on crystal
  • Bracelet size: 39mm diameter can fit ~7inch wrist with 20 links
  • Box condition: complete
Posted at
May 4, 2026, 2:57 PM
Active
[WTS] Omega Speedmaster Date 3513.50 โ€“ 39mm Automatic Chronograph โ€“ Black Dial โ€“ Full Set Serviced Price : 2350$

Omega Speedmaster Date 3513.50 โ€“ 39mm Automatic Chronograph โ€“ Black Dial โ€“ Full Set Serviced Price : 2350$

Omega - 3513.50 ยท $2,350
This classic Omega Speedmaster Date ref. 3513.50 is a 39mm automatic chronograph with a black dial, part of the less-highly-regarded Speedmaster line. It's perfect for everyday wear with its iconic Speedy DNA.

  • Condition: Very good used condition, minor scratches on case and strap
  • Case size: 39mm diameter
  • Thickness: ~14mm
  • Lug width: 18mm
Posted at
May 4, 2026, 1:18 PM
Active
[WTS] Omega Speedmaster Date 3211.31.00 โ€” 40mm Panda Dial โ€” Cal. 1164 (Fresh Service) โ€” $2,399 Shipped (Tariff Covered)

Omega Speedmaster Date 3211.31.00 โ€” 40mm Panda Dial โ€” Cal. 1164 (Fresh Service) โ€” $2,399 Shipped (Tariff Covered)

Omega - 3211.31.00 ยท $2,399
This Omega Speedmaster Date features a clean silver panda dial with black subdials and red accents, powered by Cal. 1164 with chronograph functions that operate as they should.

  • Condition: Pre-owned with honest wear
  • Case size: 40mm diameter
  • Lug-to-lug length: 46mm
  • Thickness: 15mm
Posted at
May 4, 2026, 1:13 PM
Active
[WTS] Omega Speedmaster Racing - 329.30.44.51.01.001 - Box and Papers - Price Reduced!

Omega Speedmaster Racing - 329.30.44.51.01.001 - Box and Papers - Price Reduced!

Omega - 329.30.44.51.01.001 ยท $5,695
A pre-owned Omega Speedmaster Racing Chronograph in good condition, featuring a 44.25mm size and coming with its original box, papers, and stainless steel bracelet.

  • Condition: pre-owned with minor wear
  • Size: 44.25mm
  • Bracelet material: stainless steel
  • Payment methods: Zelle, bank wire, or PayPal F&F
Posted at
May 4, 2026, 1:11 PM
Active
[WTS] Omega Speedmaster Broad Arrow Ref. 321.10.44.50.01.001

Omega Speedmaster Broad Arrow Ref. 321.10.44.50.01.001

Omega - 321.10.44.50.01.001 ยท $3,600
This Omega Speedmaster Broad Arrow features a 44mm stainless steel case, automatic Co-Axial Caliber 3313 movement, and a textured black dial.

  • Condition: Great condition overall, sapphire crystal clean, textured black dial pristine, stainless steel case shows light wear, automatic movement running good
  • Case Size: 44mm diameter
  • Movement: Automatic Co-Axial Caliber 3313
  • Bracelet Length: fits a 7.5in wrist
Posted at
May 4, 2026, 12:58 PM
Active
[WTS] Omega Speedmaster 39mm Automatic 3513.82.00 Blue Dial โ€” Cal. 1152 (Serviced) โ€” $2,100 Shipped (Tariff Covered)

Omega Speedmaster 39mm Automatic 3513.82.00 Blue Dial โ€” Cal. 1152 (Serviced) โ€” $2,100 Shipped (Tariff Covered)

Omega - 3513.82.00 ยท $2,100
This Omega Speedmaster is a 39mm automatic watch featuring a Cal. 1152 movement and a blue dial.

  • Movement: Cal. 1152
  • Size: 39mm diameter
Posted at
May 4, 2026, 11:48 AM
Active
[WTS] Omega Speedmaster Reduced 3510.50 Mint Full Set $3200

Omega Speedmaster Reduced 3510.50 Mint Full Set $3200

Omega - 3510.50 ยท $3,200
A beautiful Omega Speedmaster Reduced with a matte black Luminova dial, stainless steel case with twisted lugs, and an automatic Omega caliber 3220 movement.

  • Condition: Mint
  • Movement: Automatic Omega caliber 3220 (ETA 2890-2 with Dubois- Depraz chronograph module)
  • Case size: 39mm diameter
  • Bracelet type: Omega 1469
Posted at
May 4, 2026, 8:51 AM
Active