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] Omega Speedmaster Sedna Gold,New 2026, 22k

Omega Speedmaster Sedna Gold,New 2026, 22k

Omega - 310.63.42.50.01.001 · $22,000
A brand new Omega Speedmaster Sedna Gold, reference number 310.63.42.50.01.001.

  • Condition: New
  • Serial Number: 310.63.42.50.01.001
  • Warranty Years: 2 (2026-2028)
  • Box And Papers: true
Posted at
Apr 16, 2026, 9:56 AM
Active
[WTS] 2025 Omega Speedmaster Sedna Gold 310.60.42.50.01.001 — Like New Condition, Box & Papers

2025 Omega Speedmaster Sedna Gold 310.60.42.50.01.001 — Like New Condition, Box & Papers

Omega - 310.60.42.50.01.001 · $29,500
The Omega Speedmaster Sedna Gold is a modern take on the iconic Moonwatch design, featuring Sedna gold and a rich black dial with contrasting subdials. It's powered by a manual-wind movement that blends classic heritage with modern performance.

  • Condition: Like new, small ding on bezel near 12 o'clock
  • Box Papers: Yes
  • Movement: Master Chronometer manual-wind
Posted at
Apr 16, 2026, 9:08 AM
Active
[WTS] Omega Speedmaster Racing 40mm - Reverse Panda - Jan 2026 Full Set - Warranty until 2031

Omega Speedmaster Racing 40mm - Reverse Panda - Jan 2026 Full Set - Warranty until 2031

This is a rare 'fresh' example of the Omega Speedmaster Racing series, purchased from an AD in Japan on January 20, 2026, and featuring a black dial with silver sub-dials.

  • Condition: Mint, with minor scuff on clasp
  • Case size: 40mm diameter
  • Movement: Omega Calibre 3330, Co-Axial Chronometer with Si14 Silicon Balance Spring
  • Power reserve: 52 hours
Posted at
Apr 15, 2026, 11:27 PM
Active
[WTS] Omega Speedmaster Date 3211.31.00 — Panda Dial — Big Seahorse Caseback — Fresh Service — $2599 Shipped (Tariff Covered)

Omega Speedmaster Date 3211.31.00 — Panda Dial — Big Seahorse Caseback — Fresh Service — $2599 Shipped (Tariff Covered)

Omega - 3211.31.00 · $2,599
Up for sale is an Omega Speedmaster Date featuring a clean silver ‘panda’ dial with black subdials and subtle red accents. The stainless steel case measures 40mm in diameter, approximately 46mm lug-to-lug, ~15mm thickness, and 20mm lug width.

  • Condition: pre-owned, unpolished case with honest wear
  • Case size: 40mm diameter
  • Lug-to-lug length: 46mm
  • Thickness: ~15mm
Posted at
Apr 15, 2026, 10:20 PM
Active
[WTS] Chocolate Omega Speedmaster Moonphase Two Tone

Chocolate Omega Speedmaster Moonphase Two Tone

A two-tone Omega Speedmaster Moonphase with a chocolate dial, featuring the Cal 9904 movement.

  • Condition: very good condition with some normal wear
  • Movement: Cal 9904
  • Size: 44mm diameter
Posted at
Apr 15, 2026, 9:20 PM
Active
[WTS] Omega Speedmaster Reduced. 3510.50.

Omega Speedmaster Reduced. 3510.50.

Omega - 3510.50 · $2,350
This Omega Speedmaster Reduced is being sold in good condition and has an aftermarket strap. The watch comes with shipping from NJ USA.

  • Condition: Clean, runs well
  • Strap: Aftermarket strap
Posted at
Apr 15, 2026, 6:59 PM
Active
[WTS] Omega Speedmaster Moonwatch Titanium Co-Axial 311.93.44.51.03.001 - 9.9/10 - $6,250

Omega Speedmaster Moonwatch Titanium Co-Axial 311.93.44.51.03.001 - 9.9/10 - $6,250

A sharp example of the Omega Speedmaster Moonwatch Co-Axial Titanium, featuring a 44.25mm titanium case and blue ceramic tachymetric bezel.

  • Condition: 9.9/10
  • Case size: 44.25mm diameter
  • Power reserve: 60 hours
Posted at
Apr 15, 2026, 1:22 PM
Active
[WTS] Omega Speedmaster Day Date 3523.80

Omega Speedmaster Day Date 3523.80

Omega - 3523.80 · $2,450
For sale is an Omega Speedmaster Day Date with a beautiful blue dial, in excellent condition and running super solid.

  • Condition: excellent
  • Payment methods accepted: crypto, other (with small fee)
  • Location: southwest FL
  • Open to trades for: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
Apr 15, 2026, 10:55 AM
Active
[WTS] Omega Speedmaster Broad Arrow 3594.50

Omega Speedmaster Broad Arrow 3594.50

Omega - 3594.50 · $3,350
A pre-owned Omega Speedmaster Broad Arrow in excellent condition with very little wear.

  • Condition: Excellent condition with very little wear
  • Payment Methods Accepted: Multiple payment methods including crypto
  • Available To Trade For: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
Apr 15, 2026, 10:40 AM
Active