Omega Speedmaster Speedmaster Moonwatch 39.7 321

Reference 311.30.40.30.01.001

About this watch

The Omega Speedmaster Moonwatch 39.7 321 is a masterpiece of horology, blending history, engineering, and style in perfect harmony. This iconic timepiece boasts the revered hand-wound Omega caliber 321 B movement, renowned for its reliability and precision. The round stainless steel case measures 39.7 mm in diameter, paired with a tachymeter bezel that enhances functionality for motorsport enthusiasts. A scratch-resistant sapphire crystal protects the watch from daily wear and tear. The Speedmaster Moonwatch is incredibly versatile, suitable for both formal events and casual outings, making it a statement piece on any wrist. With its unique charm, timeless design, and historical significance, this Omega Speedmaster is an investment that will be cherished for a lifetime.
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MSRP: $15,400
Market Price: $16,275

Key Features

  • Hand-wound Omega caliber 321 B movement
  • Stainless steel round case with tachymeter bezel
  • Scratch-resistant sapphire crystal
  • Water resistance of 50 meters
  • Matte black finish
  • Unique charm and timeless design
  • Historical significance as the first watch on the moon

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Moonwatch 39.7 321
Reference
311.30.40.30.01.001
Movement
321-b
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph, Column wheel
Case
Stainless Steel 39.7mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] 2019 Omega Speedmaster Reduced 3510.50.00

2019 Omega Speedmaster Reduced 3510.50.00

2019 Omega Speedmaster Reduced with outer box, inner box, warranty card, and manual. The watch is in very good condition and retail ready.

  • Condition: Very Good
  • Year: 2019
  • Box Status: Retail Ready
  • Case Size: 39mm
Posted at
Feb 10, 2026, 10:30 PM
Active
[WTS] 2024 Omega Speedmaster Professional Ref 310.30.42.50.04.001 | Complete set | Excellent condition

2024 Omega Speedmaster Professional Ref 310.30.42.50.04.001 | Complete set | Excellent condition

Selling a 2024 Omega Speedmaster Professional in excellent condition, with original box and accessories, suitable for daily wear or as a collector's piece.

  • Condition: Excellent / Very Good
  • Box And Outer Packaging: Original
  • Warranty Card Booklets: Omega warranty card & booklets
  • Tags: Included
Posted at
Feb 10, 2026, 10:03 PM
Active
[WTS] Omega Speedmaster White Dial Co-Axial Chronograph 44.25mm – Ref. 329.30.44.51.04.001 – $5,249 Shipped

Omega Speedmaster White Dial Co-Axial Chronograph 44.25mm – Ref. 329.30.44.51.04.001 – $5,249 Shipped

The Omega Speedmaster Chronograph Co-Axial Master Chronometer features a 44.25mm stainless steel case, white dial, ceramic tachymeter bezel, and sapphire crystal with exhibition caseback. Powered by Omega's in-house Co-Axial Master Chronometer Caliber 9900.

  • Condition: Light surface wear, hairlines consistent with normal use; no deep dents or structural damage visible.
  • Case size: 44.25mm
  • Crystal type: Sapphire crystal with exhibition caseback
  • Movement: Omega's in-house Co-Axial Master Chronometer Caliber 9900, METAS certified
Posted at
Feb 10, 2026, 9:31 PM
Active
[WTS]🔥2026 OMEGA SPEEDMASTER SAPPHIRE SANDWICH BRAND NEW COMPLETE!!🔥

🔥2026 OMEGA SPEEDMASTER SAPPHIRE SANDWICH BRAND NEW COMPLETE!!🔥

This brand new Omega Speedmaster Sapphire Sandwich features a beautiful black dial and stainless steel case, measuring 42mm in diameter.

  • Condition: BRAND NEW/UNWORN
  • Case Size: 42mm diameter
  • Material: Stainless Steel
Posted at
Feb 10, 2026, 5:39 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch Hesalire Cal 1861 - Big Box Full Set 2021

Omega Speedmaster Professional Moonwatch Hesalire Cal 1861 - Big Box Full Set 2021

The Omega Speedmaster Professional Moonwatch features a Lemania based caliber 1861 movement in a hesalite dome paired with a luminova dial. The watch is accompanied by the Big Box set including an inner travel box, outer protective one, loupe, two nato straps, medallion and loupe.

  • Condition: pre-owned with clean movement, light signs of use and scratches on the clasp
  • Movement: caliber 1861
  • Bracelet size: 42 x 20mm
  • Case material: hesalite
Posted at
Feb 10, 2026, 3:52 PM
Active
[WTS] Omega Speedmaster Professional - Reverse Panda (ref. 310.30.42.50.01.004) - 2026 Brand New

Omega Speedmaster Professional - Reverse Panda (ref. 310.30.42.50.01.004) - 2026 Brand New

Omega - 310.30.42.50.01.004 · $11,000
The Omega Speedmaster Professional Reverse Panda is a brand new release with a unique dial that 'pops' in person.

  • Condition: Brand New
  • Release year: 2026
  • Status: Full set
Posted at
Feb 10, 2026, 3:28 PM
Active
[WTS] Omega Speedmaster 3573.50 Box and cards

Omega Speedmaster 3573.50 Box and cards

Omega - 3573.50 · $4,500
Iconic moonwatch in good condition, comes with box and cards.

  • Condition: good
  • Box and cards included: true
  • Shipped: true
Posted at
Feb 10, 2026, 1:23 PM
Active
[WTS] 2025 OMEGA Speedmaster Moonwatch Pro White 310.30.42.50.04.001 Full Set Price Reduced

2025 OMEGA Speedmaster Moonwatch Pro White 310.30.42.50.04.001 Full Set Price Reduced

This classic Omega Speedmaster Moonwatch Pro features a white dial and comes with a full set, including boxes, cards, manuals, cleaning cloth, extra links, hang tag, and original receipt.

  • Condition: Very good condition with minor scratch on the case
  • Msrp: $9,100
  • Year: 2025
  • Diameter: 40.5mm
Posted at
Feb 10, 2026, 1:20 PM
Active
[WTS] Omega Speedmaster Pro Sapphire

Omega Speedmaster Pro Sapphire

A classic Omega Speedmaster Pro Sapphire in a 42mm Black model.

  • Condition: Great shape with light surface marks on bracelet
  • Case size: 42mm diameter
  • Thickness: 13.18 mm
  • Movement: Omega 3861
Posted at
Feb 10, 2026, 12:52 PM
Active