Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink / Alligator

Reference 310.23.42.50.99.001

Omega Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink / Alligator

About this watch

The Omega Speedmaster Professional Moonwatch 3861 is a masterpiece of horology that seamlessly blends heritage, luxury, and modern technology. Its stunning pink sunburst dial radiates warmth and elegance, while the Sedna gold accents harmonize beautifully with the stainless steel case. The chronograph function is easily accessible, making it practical for everyday use. At its heart beats the Omega Caliber 3861 movement, featuring a co-axial escapement and silicon balance spring. This timepiece is not just a watch; it's a statement of sophistication and style that pairs well with both formal and casual attire.

Buy Now on Jomashop

This is an affiliate link

Key Features

Omega Caliber 3861 movement
Sedna gold accents
Stainless steel case
Tachymeter bezel
Water resistance up to 50 meters
42mm diameter
Co-axial escapement and silicon balance spring

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink / Alligator

Reference

310.23.42.50.99.001

Movement

3861

Movement Features

Small Seconds, Hours, Minutes
Chronograph
Chronometer

Case

42mm

Dial Color

Pink

Crystal

Sapphire

Water Resistance

Current Listings

Omega Speedmaster 311.30.42.30.01.006 Full Set

Omega - 311.30.42.30.01.006

Full set Omega Speedmaster 311.30.42.30.01.006 for sale.

Full set: yes

Posted at

Apr 27, 2026, 9:29 AM

Active

View listing on r/WatchExchange

Omega Speedmaster Moonwatch Sapphire Sandwich (310.30.42.50.01.002)

Omega - 310.30.42.50.01.002 · $6,200

A 2022 Omega Speedmaster Moonwatch Sapphire Sandwich, described as overall mint condition, with protective stickers on the case and clasp.

Condition: mint condition
Year: 2022
Box And Papers: yes

Posted at

Apr 27, 2026, 8:50 AM

Active

View listing on r/WatchExchange

Omega Speedmaster 38mm Green Dial Diamond 324.18.38.50.60.001 $11,000 Full Set

Omega - 324.18.38.50.60.001 · $11,000

Selling my Omega Speedmaster 38mm with a green dial and diamonds, dated 2024 December.

Condition: Excellent condition, very slight signs of use
Case size: 38mm
Shipping location: Singapore
Shipping duration to us: 4-5 business days

Posted at

Apr 27, 2026, 8:32 AM

Active

View listing on r/WatchExchange

[US] Omega Speedmaster Moonwatch Professional - Reverse Panda - 42mm - 310.30.42.50.01.004 - Full Set - BRAND NEW

Omega - 310.30.42.50.01.004 · $10,800

This Omega Speedmaster Moonwatch Professional is a Reverse Panda model with a 42mm case size.

Condition: Brand new, unworn, and pristine condition
Case size: 42mm
Bracelet condition: Zero hairlines

Posted at

Apr 27, 2026, 8:19 AM

Active

View listing on r/WatchExchange

Omega Speedmaster Professional (310.30.42.50.04.001)

Omega - 310.30.42.50.04.001 · $7,600

This Omega Speedmaster Professional features a white dial on a steel bracelet and comes with boxes, booklet, and warranty card dated 8/19/2025.

Condition: Excellent
Case Size: 42mm diameter
Bracelet Links: all links included
Movement: Manual Caliber 3861

Posted at

Apr 27, 2026, 6:57 AM

Active

View listing on r/WatchExchange

Incredible Vintage 18K Good Omega Speedmaster “Tribute To Astronauts” Ref BA145.022 Unpolished Collector Example!

Omega - BA145.022 · $47,500

This is a rare and historic Omega Speedmaster 'Tribute to Astronauts' ref BA145.022-69, one of only 1014 made in 1969. It features an 18K gold dial, correct maroon bezel, and solid 18K yellow gold case with patina.

Condition: Excellent, unpolished with patina
Case size: 42MM
Diameter: 42MM case diameter
Bracelet length: 7.5 inches

Posted at

Apr 26, 2026, 10:23 PM

Active

View listing on r/WatchExchange