Omega Speedmaster Speedmaster Professional Moonwatch Big Box / Strap

Reference 311.33.42.30.01.001

About this watch

The Omega Speedmaster Professional Moonwatch Big Box / Strap, reference 311.33.42.30.01.001, is a piece of history that seamlessly blends classic and contemporary elements. This timeless watch boasts a 42mm round stainless steel case, sleek black dial with stick and dot indexes, and plexiglass crystal adding vintage charm. At its core lies the Omega caliber 1861 movement, a true mechanical marvel with 18 jewels and 48-hour power reserve, delivering precision and reliability. The Speedmaster is also equipped with a chronograph function, water resistance of 50 meters, and comes with a stylish strap for everyday wear.
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MSRP: $5,250
Market Price: $4,860

Key Features

  • Omega caliber 1861 movement
  • 42mm round stainless steel case
  • Sleek black dial with stick and dot indexes
  • Plexiglass crystal
  • Chronograph function
  • Water resistance of 50 meters
  • Stylish strap

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch Big Box / Strap
Reference
311.33.42.30.01.001
Movement
1861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Plexi
Water Resistance
50

Current Listings

[WTS] Omega Speedmaster 39mm olympic 3516.20

Omega Speedmaster 39mm olympic 3516.20

Omega - 3516.20 · $2,100
This is a beautiful Omega Speedmaster limited Olympic edition, with minimal signs of wear and coming with an Omega red travel case.

  • Condition: very good condition with minimal sign of wear
  • Case size: 39mm
  • Movement accuracy: -+4/day
  • Included accessories: omega red travel case
Posted at
Jan 17, 2026, 7:29 PM
Active
[WTS] Omega Speedmaster 3861 Bracelet

Omega Speedmaster 3861 Bracelet

Omega - 3861 · $750
This Omega Speedmaster is a brand new model with additional features such as tool free microadjust and it has not been worn.

  • Condition: New, never worn
  • Links included: true
  • Clasp condition: plastic still on
  • Adjustment method: tool free microadjust
Posted at
Jan 17, 2026, 4:39 PM
Active
[WTS] Omega Speedmaster Professional Sapphire Sandwich – Cal. 1863 – New OEM Omega 3861 Bracelet With Quick Adjust Clasp – Spiralwinder Dot Over 90 Ceramic Bezel

Omega Speedmaster Professional Sapphire Sandwich – Cal. 1863 – New OEM Omega 3861 Bracelet With Quick Adjust Clasp – Spiralwinder Dot Over 90 Ceramic Bezel

This Omega Speedmaster Professional Sapphire Sandwich is powered by the highly regarded caliber 1863 and features a Spiralwinder Ceramic DON tachymètre bezel. The watch has been upgraded with a new OEM 3861 bracelet installed at the Omega Boutique.

  • Condition: Excellent
  • Movement: Cal. 1863
  • Crystal: Sapphire front & back
  • Bezel: Spiralwinder Ceramic DON (Dot Over Ninety) tachymètre bezel
Posted at
Jan 17, 2026, 11:51 AM
Active
[WTS] OMEGA Speedmaster 🌘🌑“Dark Side of the Moon”Co-Axial Master Chronometer Chronograph|Ref. 310.92.44.51.01.001| 2025 | Full Set in Like New Condition

OMEGA Speedmaster 🌘🌑“Dark Side of the Moon”Co-Axial Master Chronometer Chronograph|Ref. 310.92.44.51.01.001| 2025 | Full Set in Like New Condition

OMEGA - 310.92.44.51.01.001 · $11,750
The OMEGA Speedmaster 'Dark Side of the Moon' is a modern icon that blends OMEGA's space-faring heritage with advanced materials, crafted entirely in black ceramic for exceptional scratch resistance and lightweight wearability.

  • Condition: Excellent
  • Case size: 44.25 mm
  • Set: Full set (box, papers, 5 year warranty)
  • Movement: Co-Axial Master Chronometer Calibre 9908
Posted at
Jan 17, 2026, 11:13 AM
Active
[WTS] Omega Speedmaster. 39mm. Special Dial.

Omega Speedmaster. 39mm. Special Dial.

Omega - Speedmaster · $2,450
A 39mm Omega Speedmaster with a special texture dial is being sold. The watch is located in NJ USA and comes with the option for a Facetime viewing.

  • Case diameter: 39mm
  • Movement type: automatic
Posted at
Jan 17, 2026, 10:20 AM
Active
[WTS] Omega Speedmaster. 39mm. White Ceramic. Very nice.

Omega Speedmaster. 39mm. White Ceramic. Very nice.

Omega - Speedmaster · $3,100
This Omega Speedmaster is a 39mm watch with white ceramic and strong lume. It's a great timepiece that comes with additional photos available upon request.

  • Case size: 39mm
  • Material: white ceramic
  • Lume strength: strong
Posted at
Jan 17, 2026, 10:17 AM
Active
[WTS] Omega Speedmaster FOIS – Full Set – $4,300 Shipped OBO

Omega Speedmaster FOIS – Full Set – $4,300 Shipped OBO

Omega - Speedmaster FOIS · $4,300
The Omega Speedmaster FOIS is a widely regarded, wearable watch that captures classic early Speedmaster proportions with its 39.7mm straight-lug case.

  • Condition: Very good overall
  • Case size: 39.7mm diameter
  • Movement type: Manual winding
  • Crystal material: Hesalite
Posted at
Jan 16, 2026, 11:54 PM
Active
[WTS] Omega Speedmaster Reduced

Omega Speedmaster Reduced

A used Omega Speedmaster Reduced purchased from Japan with original box and papers.

  • Condition: Great working shape
  • Original Box And Papers: Yes, with Japanese documentation
  • Extra Links: Fitting up to 7.5-8 inches
Posted at
Jan 16, 2026, 9:13 PM
Active
[WTS] OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 🔥$10,000🔥

OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 🔥$10,000🔥

OMEGA - 311.92.44.30.01.001 · $10,000
The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 commemorates the 50th anniversary of the Apollo 8 mission, featuring a black ceramic case with a skeletonized and laser-ablated dial. The watch is powered by the Calibre 1869 movement and comes in an ultimate set with various accessories.

  • Condition: UNWORN
  • Case material: black ceramic
  • Diameter: 44.25mm
  • Movement: Calibre 1869 with blackened bridges and mainplate
Posted at
Jan 16, 2026, 8:45 PM
Active