Omega Speedmaster Speedmaster Moonwatch 39.7 321

Reference 311.30.40.30.01.001

Omega Speedmaster Moonwatch 39.7 321

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] Omega Speedmaster Reduced 3510.50 2 AVAILABLE

Omega Speedmaster Reduced 3510.50 2 AVAILABLE

Omega - 3510.50 · $2,550
Two Omega Speedmaster Reduced in great condition for sale, both running solid and coming as watch only.

  • Condition: Great condition, some light wear
  • Bracelet condition: Pretty good
  • Crystals condition: 0 or very minimal scratches
Posted at
Apr 15, 2026, 10:14 AM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster 3210.50 Black Dial $2,090

Omega Speedmaster 3210.50 Black Dial $2,090

Omega - 3210.50 · $2,090
The Omega Speedmaster Date is a 40mm stainless steel automatic chronograph with a black dial and tachymeter bezel, featuring a sporty classic look and an automatic movement.

  • Condition: pre-owned, good condition with scuffs due to age
  • Case size: 40mm diameter
  • Lug-to-lug length: 45mm
  • Lug width: 19mm
Posted at
Apr 15, 2026, 9:42 AM
Active
View listing on r/WatchExchange
[WTS] INCREDIBLE Vintage 18K Gold Omega Speedmaster Tribute to Astronauts Ref BA145.022 Unpolished Holy Grail Example!!!

INCREDIBLE Vintage 18K Gold Omega Speedmaster Tribute to Astronauts Ref BA145.022 Unpolished Holy Grail Example!!!

Omega - BA145.022-69 · $48,500
This is a vintage Omega Speedmaster Tribute to Astronauts ref BA145.022-69, one of the first solid gold Speedmasters produced in 1969.

  • Condition: Excellent, unpolished with patina
  • Case size: 42mm diameter
  • Bracelet length: 7.5 inches
  • Movement: Lemania-based hand wound caliber 861
Posted at
Apr 14, 2026, 9:59 PM
Active
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[WTS] Omega Speedmaster '57 - current gen - warranty till Apr 2027

Omega Speedmaster '57 - current gen - warranty till Apr 2027

Omega - 332.10.41.51.01.001 · $6,099
A current generation Omega Speedmaster '57 with a April 29, 2022 date, featuring a scratch on the crystal near 12 o'clock.

  • Condition: Very good, hairlines and desk diving marks
  • Bracelet size: 17cm
  • Box included: yes
  • Warranty expiration date: Apr 2027
Posted at
Apr 14, 2026, 9:41 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Triple Calendar w/ EBay authentication

Omega Speedmaster Triple Calendar w/ EBay authentication

Omega - Speedmaster Triple Calendar · $2,300
This Omega Speedmaster features an automatic chronograph, day, month, and year calendar with a clean and uncluttered dial. The watch is 42 mm in size but wears smaller on the wrist.

  • Condition: Good condition, some signs of use
  • Size: 42mm diameter, 40-41mm on the wrist
  • Authentication: eBay authenticated
Posted at
Apr 14, 2026, 9:02 PM
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[WTS] 2024 Omega Speedmaster 38mm Diamond Bezel Gray Dial Full Set Excellent Condition - 324.38.38.50.06.001

2024 Omega Speedmaster 38mm Diamond Bezel Gray Dial Full Set Excellent Condition - 324.38.38.50.06.001

Omega - 324.38.38.50.06.001
2024 Omega Speedmaster 38mm Diamond Bezel Gray Dial Full Set, in excellent condition.

  • Diameter: 38mm
Posted at
Apr 14, 2026, 7:04 PM
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[WTS] New 2026 Omega Speedmaster Professional Hesalite Full Set only $6400

New 2026 Omega Speedmaster Professional Hesalite Full Set only $6400

Omega - 310.30.42.50.01.001 · $6,400
This brand new Omega Speedmaster Professional is presented in pristine condition and comes complete with its original full set, including a factory warranty card dated 2026.

  • Condition: pristine, unworn
  • Warranty: 5-year international warranty
  • Price Comparison: list price from authorized dealer: $7800 plus tax
Posted at
Apr 14, 2026, 12:27 PM
Active
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[WTS] Omega Speedmaster Reduced 3510.50 - $2,390

Omega Speedmaster Reduced 3510.50 - $2,390

Omega - 3510.50 · $2,390
Up for sale is my Omega Speedmaster Reduced 3510.50 in great condition. It features a steel case and original speedmaster bracelet.

  • Condition: great condition, minimal wear
  • Bracelet length: original
  • Box included: yes
  • Shipping: Fedex Priority Shipping from Philippines, 3-5 days globally
Posted at
Apr 14, 2026, 4:26 AM
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[WTS] Omega Speedmaster Reduced Automatic 3510.50 – Black Dial – $3,000

Omega Speedmaster Reduced Automatic 3510.50 – Black Dial – $3,000

Omega - Speedmaster Reduced Automatic 3510.50 · $3,000
a Omega Speedmaster Reduced Automatic with a black dial is for sale.

  • Dial color: Black
Posted at
Apr 14, 2026, 2:55 AM
Active
View listing on r/WatchExchange