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

Reference 310.23.42.50.99.001

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.
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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
50

Current Listings

[WTS] 1972 Omega Speedmaster Mark 3 Automatic Ref. 176.002 | $2,300

1972 Omega Speedmaster Mark 3 Automatic Ref. 176.002 | $2,300

Omega - 176.002 · $2,300
The Omega Speedmaster Mark 3 is an important piece of history for Omega, featuring an automatic movement and date display. The watch has a stainless steel case with a mineral crystal and measures 41 x 51.6mm in size.

  • Condition: Good, with some scratches on the case and aging on the dial
  • Case Size: 41 x 51.6mm diameter
  • Thickness: 16.5mm
  • Crystal: Mineral
Posted at
Jun 13, 2025, 11:48 AM
Active
[WTS][US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002 - Full Set

[US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002 - Full Set

Up for sale is an Omega Speedmaster Chronoscope - White Panda Dial - 43mm that functions perfectly mechanically, without issue.

  • Condition: Fantastic condition with minor hairlines
  • Case size: 43mm diameter
Posted at
Jun 13, 2025, 8:24 AM
Active
[WTS] Omega Speedmaster Moonwatch Professional White Sapphire Sandwich 42mm - 310.30.42.50.04.001

Omega Speedmaster Moonwatch Professional White Sapphire Sandwich 42mm - 310.30.42.50.04.001

This Omega Speedmaster Moonwatch Professional White Sapphire Sandwich is a 42mm stainless steel watch with white sapphire sandwich dial and features the Master Chronometer certification.

  • Condition: MINT condition, like new
  • Material: Stainless Steel
  • Size: 42mm diameter
  • Included With Warranty: true
Posted at
Jun 13, 2025, 2:16 AM
Active
[WTS] 2023 Omega Speedmaster Moonwatch Professional Chrono (Sapphire)(S.S.)(REF 31030425001002)

2023 Omega Speedmaster Moonwatch Professional Chrono (Sapphire)(S.S.)(REF 31030425001002)

Omega - 31030425001002 · $6,200
  • Material: sapphire crystal, stainless steel
Posted at
Jun 12, 2025, 10:11 PM
Active
[WTS] omega speedmaster 145022-76 - long bracelet, perfect dial and unpolished case. Cal. 861 - no trades. $5400 shipped

omega speedmaster 145022-76 - long bracelet, perfect dial and unpolished case. Cal. 861 - no trades. $5400 shipped

Omega - 145022-76 · $5,400
A Omega Speedmaster 145022-76 with a long bracelet and unpolished case, featuring Cal. 861.

  • Bracelet length: long
  • Dial condition: perfect
  • Case condition: unpolished
Posted at
Jun 12, 2025, 5:56 PM
Active
[WTS] OMEGA Speedmaster Professional Apollo 11 L.E. $4,299

OMEGA Speedmaster Professional Apollo 11 L.E. $4,299

Omega - 3560.50.00 · $4,299
The Omega Speedmaster Professional Moonwatch 30th anniversary Apollo XI is a limited edition of 9,999 pieces, introduced in 1999 to commemorate the 30th anniversary of the Apollo 11 mission. This watch features a special caseback with an Apollo 11 patch engraving and is powered by a hand-wound Omega cal. 1861 movement.

  • Condition: Excellent pre-owned condition
  • Lug width: 20mm
  • Lug-to-lug: 48.2mm
  • Case size: 42 mm
Posted at
Jun 12, 2025, 4:08 PM
Active
[WTS] 2024 Omega Speedmaster Moonwatch Professional 310.30.42.50.01.002 “Sapphire Sandwich”

2024 Omega Speedmaster Moonwatch Professional 310.30.42.50.01.002 “Sapphire Sandwich”

The watch being listed is a 2024 Omega Speedmaster Moonwatch Professional in the 310.30.42.50.01.002 'Sapphire Sandwich' model.

  • Condition: Pre-owned with slight wear
  • Bracelet type: non-quick adjust
  • Service history: unknown
  • Accuracy: +3 s/d (seconds/minute)
Posted at
Jun 12, 2025, 3:23 PM
Active
[WTS] 1997 Omega Speedmaster 'Gemini V' LE of 150 PCS (Ref. 345.0022)

1997 Omega Speedmaster 'Gemini V' LE of 150 PCS (Ref. 345.0022)

Omega - 345.0022 · $7,999
This Omega Speedmaster 'Gemini V' LE watch commemorates the NASA Gemini V mission, featuring a unique design with a NASA mission patch in the 9 o'clock sub-dial.

  • Condition: Excellent/like new
  • Case Size: 42mm
  • Bracelet Type: Omega 1499 bracelet
  • Bracelet End Pieces: 842
Posted at
Jun 12, 2025, 11:13 AM
Active