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 Racing 326.30.40.50.01.002 40mm Watch + Full Set

Omega Speedmaster Racing 326.30.40.50.01.002 40mm Watch + Full Set

Omega - 326.30.40.50.01.002 · $2,950
This is a Omega Speedmaster Racing watch that has been well-maintained and comes in excellent condition. The watch features a 40mm diameter case and is accompanied by a full set of accessories.

  • Condition: Excellent
  • Purchase Year: 9 months ago
  • Previous Owner Count: 1
Posted at
Feb 16, 2026, 10:29 PM
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[WTS] 2016 OMEGA Speedmaster "Grey Side Of The Moon" 311.93.44.51.99.001 - Full Set

2016 OMEGA Speedmaster "Grey Side Of The Moon" 311.93.44.51.99.001 - Full Set

Omega - 311.93.44.51.99.001 · $7,599
This is a 2016 Omega Speedmaster Grey Side of the Moon watch featuring a sand-blasted platinum dial, grey ceramic aesthetic and a comfortable grey Omega alligator strap. It has a gorgeous sapphire domed view into the Omega co-axial calibre 9300 movement.

  • Condition: Very excellent pre-owned condition
  • Case Size: 44.25mm diameter
  • Case Material: Gray ceramic (zirconium oxide)
  • Movement: Omega Co-Axial Caliber 9300 (automatic chronograph, column-wheel, ~60-hour power reserve)
Posted at
Feb 16, 2026, 10:24 PM
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[WTS] Omega Speedmaster Moonwatch 42mm Steel Hesalite 310.30.42.50.01.001 Full Set

Omega Speedmaster Moonwatch 42mm Steel Hesalite 310.30.42.50.01.001 Full Set

Omega - 310.30.42.50.01.001 · $5,480
This Omega Speedmaster Moonwatch features a stainless steel case measuring 42mm in diameter, a black dial with Hesalite crystal, and a stainless steel bracelet.

  • Condition: Preowned with some scratches on the case, buckle, and crystal
  • Case dimensions: 42mm diameter
  • Bezel material: Stainless Steel
  • Dial color: Black
Posted at
Feb 16, 2026, 8:18 PM
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[WTS] 2021 Omega Speedmaster Moonwatch 42mm Steel Hesalite 310.30.42.50.01.001 Full Set

2021 Omega Speedmaster Moonwatch 42mm Steel Hesalite 310.30.42.50.01.001 Full Set

Omega - 310.30.42.50.01.001 · $5,675
2021 Omega Speedmaster Moonwatch 42mm Steel Hesalite, a manual wind mechanical watch featuring a stainless steel case and black dial.

  • Condition: Nice Preowned Condition with Some Scratches on the Case and Buckle.
  • Case material: Stainless Steel
  • Case dimensions: 42mm diameter
  • Bezel material: Stainless Steel
Posted at
Feb 16, 2026, 8:14 PM
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[WTS] Omega Speedmaster Racing 44.25, gray dial full kit, new in box. Inner, outer and shipping boxes, all three cards, hang tag and factory stainless bracelet with extra link. Reference number 329.30.44.51.06.001. $8000 shipped in US. New Orleans, LA

Omega Speedmaster Racing 44.25, gray dial full kit, new in box. Inner, outer and shipping boxes, all three cards, hang tag and factory stainless bracelet with extra link. Reference number 329.30.44.51.06.001. $8000 shipped in US. New Orleans, LA

Omega - 329.30.44.51.06.001 · $8,000
This Omega Speedmaster Racing features a gray dial and is sold with a full kit, including inner, outer and shipping boxes, all three cards, hang tag and factory stainless bracelet with extra link.

  • Condition: New in box
  • Country of origin: Switzerland
Posted at
Feb 16, 2026, 6:47 PM
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[WTS] Omega Speedmaster. Moonphase. Gorgeous Dial. Clean.

Omega Speedmaster. Moonphase. Gorgeous Dial. Clean.

Omega - Speedmaster Moonphase · $4,950
This Omega Speedmaster features a 42mm diameter, moonphase display, and blue hands, with very good lume. The watch runs strong and has a very crisp dial.

  • Condition: Clean, runs strong
  • Case Size: 42mm
Posted at
Feb 16, 2026, 6:27 PM
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[WTS] 20mm Horus Rubber Straps for Omega Speedmaster & Moonswatch + other brands (Well below retail)

20mm Horus Rubber Straps for Omega Speedmaster & Moonswatch + other brands (Well below retail)

· $49
Horus Rubber Straps for various brands including Omega Speedmaster and Moonswatch, designed to give a fun pop to these watches.

  • Condition: Like New
  • Material: Rubber
  • Colors: Blue Lavender,Light pink,Red,Translucent Lime Green,Sky Blue,Hot Pink
  • Compatibility: Omega Speedmaster,Moonswatch,Sinn,Zelos Swordfish,Heuer,Seamaster,IWC
Posted at
Feb 16, 2026, 6:10 PM
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[WTS] Omega Speedmaster Professional Moonwatch *Mint*

Omega Speedmaster Professional Moonwatch *Mint*

Omega - 31030425001002 · $6,250
This Omega Speedmaster Professional 'Sapphire Sandwich' model features a caliber 3861 and is a full kit including the watch on bracelet, presentation box, cards, and booklet.

  • Condition: Mint, like new
  • Caliber: 3861
  • Shipping: fully insured within continental US
Posted at
Feb 16, 2026, 2:48 PM
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[WTS] Omega Speedmaster Professional Moonwatch Hesalite, 4/25 full set, Mint, $5800

Omega Speedmaster Professional Moonwatch Hesalite, 4/25 full set, Mint, $5800

Omega - 310.32.42.50.01.001 · $5,800
A legendary Omega Speedmaster Professional Moonwatch featuring the Co-Axial Master Chronometer Caliber 3861, purchased new in April 2025 and remaining in mint condition.

  • Condition: Mint condition, no signs of wear
  • Case size: 42mm diameter
  • Water resistance: 50m depth rating
  • Crystal material: Hesalite
Posted at
Feb 16, 2026, 2:25 PM
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