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][US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set

[US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set

Up for sale is an Omega Speedmaster First Omega in Space - FOiS - Full Set, Watch functions perfectly mechanically, without issue.

  • Condition: Fantastic condition with few hairlines on case, clasp, and bracelet
  • Case condition: few hairlines
  • Bracelet condition: few hairlines
Posted at
May 12, 2026, 7:02 AM
Active
[WTS] Omega Speedmaster Pro White

Omega Speedmaster Pro White

A beautiful Omega Speedmaster Pro White dial, complete with full kit and card dated 09/2025.

  • Condition: great condition with minimal wear on the case
  • Movement: 3861 Manual Wind
  • Size: 42mm diameter
  • Accessories: Box & papers
Posted at
May 11, 2026, 9:40 PM
Active
[WTS] Omega Speedmaster Dark Side Of The Moon DSOTM Black Ceramic "Dark Vader" 310.92.44.51.01.001

Omega Speedmaster Dark Side Of The Moon DSOTM Black Ceramic "Dark Vader" 310.92.44.51.01.001

Omega - 310.92.44.51.01.001 · $13,250
This Omega Speedmaster Dark Side of the Moon 'Dark Vader' features a slim manual wind case and matte finished grained dial with red lacquered chrono seconds hand.

  • Condition: Excellent, Mint condition
  • Case size: 44mm
  • Warranty: until 04/2026
Posted at
May 11, 2026, 8:44 PM
Active
[WTS] 1969 Omega Speedmaster Mark II Chronograph 145.014 Racing Dial

1969 Omega Speedmaster Mark II Chronograph 145.014 Racing Dial

Omega - 145.014 · $9,000
a 1969 Omega Speedmaster Mark II Chronograph with a racing dial

  • Year: 1969
Posted at
May 11, 2026, 4:51 PM
Active
[WTS] Omega Speedmaster 3310.10 Vintage 18K Yellow Gold with Steel ($2200)

Omega Speedmaster 3310.10 Vintage 18K Yellow Gold with Steel ($2200)

Omega - 3310.10 · $2,200
This Omega Speedmaster features a 39mm case, an upgraded dial with white and gold accents, and is running within +10 seconds per day. It has been authenticated by eBay and comes with an authentication card.

  • Condition: Pre-owned with wear
  • Case size: 39mm diameter
  • Serial number date: 1989
Posted at
May 11, 2026, 11:58 AM
Active
[WTS] Omega Speedmaster Apollo 17 45th Anniversary 311.30.42.30.03.001 $6,900

Omega Speedmaster Apollo 17 45th Anniversary 311.30.42.30.03.001 $6,900

This Omega Speedmaster Apollo 17 is a commemorative edition of the iconic watch, featuring a unique design and excellent condition.

  • Condition: Excellent, freshly polished
  • Length: 18.5cm bracelet length
  • Shipping: 4-5 business days to US
Posted at
May 11, 2026, 8:55 AM
Active
[WTS][US] Omega Speedmaster Moonwatch Professional - Reverse Panda - 42mm - 310.30.42.50.01.004 - Full Set - BRAND NEW

[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 · $10,700
A brand new Omega Speedmaster Moonwatch Professional in reverse panda style with a 42mm case size.

  • Condition: Brand new, unworn, and pristine
  • Case Size: 42mm
  • Box And Papers: true
Posted at
May 11, 2026, 7:48 AM
Active
[WTS] Omega Speedmaster Reduced 3510.21 Limited Edition (2,000 Pcs) Marui 39mm , B&P  - $5,350

Omega Speedmaster Reduced 3510.21 Limited Edition (2,000 Pcs) Marui 39mm , B&P - $5,350

Omega - 3510.21 Marui · $5,350
Up for sale is my Omega Speedmaster 3510.21, a limited edition watch with an automatic movement and 39mm case.

  • Condition: Very good condition (8.9/10)
  • Movement type: Automatic
  • Case size: 39mm
  • Bracelet type: Original Omega Steel
Posted at
May 10, 2026, 9:10 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional 3861 Sapphire 310.32.42.50.01.002 – Full Set – $6,500

Omega Speedmaster Moonwatch Professional 3861 Sapphire 310.32.42.50.01.002 – Full Set – $6,500

This Omega Speedmaster Moonwatch Professional Sapphire Sandwich features a 42mm stainless steel case and the 3861 Omega Master Chronometer movement.

  • Case Size: 42mm diameter
  • Material: stainless steel
  • Movement: Omega Master Chronometer
Posted at
May 10, 2026, 6:36 PM
Active