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

Reference 310.30.42.50.04.001

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

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

Current Listings

OMEGA Speedmaster reduced 3513.50 $2200

OMEGA - 3513.50 · $2,200

For sale is a beautiful Omega Speedmaster reference 3513.50 in excellent condition, with a small speck on the bezel.

Condition: Excellent with minor bezel imperfection
Size: 40mm diameter

Posted at

Dec 29, 2025, 11:13 PM

Active

View listing on r/WatchExchange

PRICED TO SELL - Omega Speedmaster “The 1957 Trilogy” 60th Anniversary Limited Edition 311.10.39.30.01.001 - With accessories - repost

Omega - 311.10.39.30.01.001 · $6,650

This Omega Speedmaster is the 'The 1957 Trilogy' 60th Anniversary Limited Edition, coming with various accessories.

Condition: Excellent pre-owned condition
Accessories included: booklets, straps, strap changer, travel case, tag, double box, undated card

Posted at

Dec 29, 2025, 8:51 PM

Active

View listing on r/WatchExchange

OMEGA SPEEDMASTER PROFESSIONAL SAPPHIRE SANDWICH 311.30.42.30.01.006

Omega - 311.30.42.30.01.006 · $4,850

A pre-owned Omega Speedmaster Professional Moonwatch 'Sapphire Sandwich' reference number 311.30.42.30.01.006, featuring a hand-winding mechanical movement with a power reserve of approximately 48 hours.

Condition: Pre-owned with minimal signs of wear
Movement: Omega Calibre 1863; Hand-winding mechanical movement with approximately 48 hours power reserve
Case: 42mm steel case with Black PVD Ring showing Tachymeter Markings
Crystal: Domed, scratch-resistant sapphire crystal with anti-reflective treatment inside

Posted at

Dec 29, 2025, 6:06 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Reduced - 39mm Two Tone - Ref 175.0033

Omega - 175.0033 · $2,895

A beautiful Omega Speedmaster Reduced with a white dial, this watch is running well with all functions working as they should.

Condition: great vintage condition
Case size: 39mm
Bezel and case wear: light hairlines
Strap type: high quality leather AM strap from Casanova

Posted at

Dec 29, 2025, 5:06 PM

Active

View listing on r/WatchExchange

OMEGA SPEEDMASTER 1957 Trilogy 311.10.39.30.01.001 Full Set

OMEGA - 311.10.39.30.01.001 · $5,900

A 2017 Omega Speedmaster 1957 Trilogy issued in near-mint condition, comes with three bands.

Condition: Near-mint
Year: 2017
Bands: 3
Material: leather,NATO,stainless steel

Posted at

Dec 29, 2025, 2:58 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Moonphase Blue Dial 44.25mm Full Set

Omega - 44.25 mm Speedmaster Moonphase · $7,494

This Omega Speedmaster features a blue dial and the moonphase complication at 6 o'clock, powered by Omega's Co-Axial Master Chronometer movement.

Condition: very good condition
Movement: Co-Axial Master Chronometer
Case Size: 44.25mm

Posted at

Dec 29, 2025, 1:36 PM

Active

View listing on r/WatchExchange

Omega Speedmaster “First Omega In Space” Numbered Edition - Near Mint Condition

Omega - 311.32.40.30.01.001 · $4,450

This Omega Speedmaster Anniversary Series is a discontinued 'First Omega in Space' Numbered Edition, inspired by the watch worn by astronaut Wally Shirra during the 'Sigma 7' mission in 1962.

Condition: Near mint (9.5/10)
Case diameter: 39.7mm
Thickness: 14mm
Crystal type: scratch-resistant sapphire crystal with AR coating

Posted at

Dec 29, 2025, 12:20 PM

Active

View listing on r/WatchExchange