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

Reference 310.32.42.50.04.002

Omega Speedmaster Professional Moonwatch 3861 Stainless Steel / White / Sapphire

About this watch

The Omega Speedmaster Professional Moonwatch 3861 is a masterful blend of style, history, and technical excellence. This watch embodies the essence of luxury with its sleek stainless steel case, striking white dial, and iconic design that transcends fashion trends. With its Master Chronometer certification, exceptional accuracy is guaranteed, while the manual winding movement adds a touch of personal connection to the wearer's wrist. The Speedmaster's rich history and association with NASA's Apollo missions make it a true icon in horology, connecting the wearer to a significant moment in human history. Whether you're a watch collector or simply someone who appreciates fine timepieces, this watch deserves a spot in your collection.

Buy Now on Jomashop

This is an affiliate link

Key Features

Master Chronometer Certified
Magnetic Resistance up to 15,000 gauss
Manual-Winding Chronograph Movement
Free-Sprung Balance with Silicon Balance Spring
42.00 mm Diameter
13.18 mm Height
20.00 mm Lug Width

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch 3861 Stainless Steel / White / Sapphire

Reference

310.32.42.50.04.002

Movement

3861

Movement Features

Small Seconds, Hours, Minutes
Chronograph
Chronometer

Case

Stainless Steel 42mm

Dial Color

White

Crystal

Sapphire

Water Resistance

Current Listings

Omega Speedmaster Date 38.5mm 3513.54

Omega - 3513.54 · $1,575

For sale is an Omega Speedmaster Date 38.5mm reference number 3513.54, in good condition, from 1998.

Condition: good with some wear and small marks
Year of production: 1998
Case size: 38.5mm

Posted at

Apr 24, 2026, 1:15 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Reduced 3510.50

Omega - 3510.50 · $2,475

For sale is an Omega Speedmaster Reduced 3510.50 in great condition, with some minor wear and fading on the bezel.

Condition: Great condition with some light wear and fading on the bezel
Payment Methods Accepted: Various payment methods including crypto with a small fee, excluding PayPal
Local Pickup Available: Yes, located in southwest FL
Trading Possible: Yes, only with brands Tudor, Cartier, Rolex, Omega, Breitling, AP

Posted at

Apr 24, 2026, 1:00 PM

Active

View listing on r/WatchExchange

Omega Speedmaster ‘57 reference 331.12.42.51.01.001 - Complete set with hang tag, undated

Omega - 331.12.42.51.01.001

For sale is an Omega Speedmaster '57 reference 331.12.42.51.01.001, complete set with hang tag and undated.

Condition: undated
Diameter: 42mm

Posted at

Apr 24, 2026, 11:48 AM

Active

View listing on r/WatchExchange

2025 Omega Speedmaster Racing 329.32.44.51.06.001 44MM Full Set

Omega - 329.32.44.51.06.001 · $6,450

This is a 2025 Omega Speedmaster Racing Chronograph with a silver/grey dial and a 44mm case size. It comes as a full set with box, papers, and warranty coverage through January 2030.

Condition: Excellent
Case Size: 44mm diameter
Box And Papers: true

Posted at

Apr 24, 2026, 10:26 AM

Active

View listing on r/WatchExchange

2025 Omega Speedmaster Professional Sapphire

Omega - Speedmaster Professional Sapphire · $6,875

This Omega Speedmaster Professional Sapphire is being sold with a full kit and has been pressure tested at the Omega AD in April. It comes with a luna replica NASA velcro strap for reference.

Purchase History: purchased from this subreddit
Inclusions: full kit, luna replica NASA velcro strap
Wrist Size Reference: 6.5"

Posted at

Apr 24, 2026, 9:48 AM

Active

View listing on r/WatchExchange

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

Omega - 3510.50 · $599

This is an original Omega Speedmaster Reduced bracelet set in excellent condition, featuring a stainless steel finish and a folding clasp with tight action.

Condition: 94/100 - excellent vintage condition
Bracelet reference: 1469
Endlinks reference: 811 (pair included)
Total links: 22 (full complete set)

Posted at

Apr 24, 2026, 9:10 AM

Active

View listing on r/WatchExchange

[US] Omega Speedmaster Calibre 321 - Ed White - Black Dial - 39.7mm - 311.30.40.30.01.001 - Full Set

Omega - 311.30.40.30.01.001 · $15,650

A Omega Speedmaster Calibre 321 in black dial, with a 39.7mm case size and reference number 311.30.40.30.01.001.

Condition: pristine with minor hairlines on clasp, case, and bracelet
Diameter: 39.7mm

Posted at

Apr 24, 2026, 8:35 AM

Active

View listing on r/WatchExchange

[US] Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set

Omega - 310.30.42.50.04.001 · $7,975

Up for sale is an Omega Speedmaster Moonwatch Professional - White Dial, in fantastic condition and functions perfectly.

Condition: pristine with minor hairlines on clasp, case, and bracelet
Case size: 42mm diameter

Posted at

Apr 24, 2026, 8:29 AM

Active

View listing on r/WatchExchange

Omega Speedmaster 50th Anniversary – No. 927/1957 – Limited Edition – Full Set

Omega - 50th Anniversary Limited Edition · $10,549

A numbered Omega Speedmaster 50th Anniversary Limited Edition, No. 927 of 1,957 pieces, a highly collectible tribute to the original 1957 Speedmaster.

Condition: Very good overall condition with honest wear
Case size: 42mm diameter
Dial material: black enamel
Movement type: Omega manual-wind chronograph

Posted at

Apr 23, 2026, 11:59 PM

Active

View listing on r/WatchExchange