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.

Buy Now on Jomashop

This is an affiliate link

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

Current Listings

Omega Speedmaster Moonwatch 3861 Panda 310.30.42.50.01.004 ( new / 2026 / box and papers )

Omega - 310.30.42.50.01.004 · $10,995

This is a brand new Omega Speedmaster Moonwatch Professional with a 42mm stainless steel case and a sapphire reverse panda dial.

Condition: Brand new
Case size: 42mm diameter
Movement: Omega Master Chronometer Movement 3861

Posted at

Apr 9, 2026, 2:21 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Moonwatch 3861 White 42mm 310.30.42.50.04.001 ( mint / 2026 / box and papers )

Omega - 310.30.42.50.04.001 · $7,950

A mint condition Omega Speedmaster Moonwatch Professional White Dial Sapphire on Bracelet, complete with all boxes and papers.

Condition: Mint Condition / Complete Set
Case size: 42mm
Movement: Omega Master Chronometer Movement 3861

Posted at

Apr 9, 2026, 2:13 PM

Active

View listing on r/WatchExchange

Omega Speedmaster ’57 40.5mm Red Co-Axial Chronograph BOXES/PAPERS!

Omega - Speedmaster '57

Case size: 40.5mm diameter
Movement: Co-Axial Chronograph

Posted at

Apr 9, 2026, 2:07 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Date 3211.31.00 — Panda Dial — Big Seahorse Caseback — Fresh Service — $2650 Shipped (Tariff Covered)

Omega - 3211.31.00 · $2,650

A solid Omega Speedmaster Date featuring a clean silver 'panda' dial with black subdials and subtle red accents, powered by an automatic chronograph movement, and accompanied by a large embossed Seahorse medallion caseback.

Condition: Excellent, unpolished case with honest wear
Case dimensions: 40mm diameter
Lug width: 20mm
Thickness: ~15mm

Posted at

Apr 9, 2026, 12:56 PM

Active

View listing on r/WatchExchange

2024 Omega Speedmaster Moonwatch Professional White Dial 310.30.42.50.04.001 – Full Set $7,550 Shipped

Omega - 310.30.42.50.04.001 · $7,550

A 2024 Omega Speedmaster Moonwatch Professional with a white dial and stainless steel case, powered by the Co-Axial Master Chronometer Calibre 3861.

Condition: Excellent (pre-owned, minimal wear)
Case size: 42mm
Case material: Stainless steel
Movement: Manual wind (Omega Calibre 3861 Master Chronometer)

Posted at

Apr 9, 2026, 12:36 PM

Active

View listing on r/WatchExchange

OMEGA Speedmaster Date 40mm 18k Bezel Full Kit

OMEGA - 323.21.40.40.02.001 · $3,300

Up for sale is an Omega Speedmaster Date, a full kit including all the cards and even the outer box, with excellent condition and running very well.

Condition: Excellent
Case size: 40mm diameter
Material: Steel/Yellow Gold

Posted at

Apr 9, 2026, 12:19 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Pro “Moon to Mars” Special Edition

Omega - 3577.50 · $6,500

The Omega Speedmaster Pro 'Moon to Mars' Special Edition features a beautiful dial with subdials painted as Earth, Moon and Mars.

Condition: good condition with a scratch on the crystal at 1 o'clock
Bracelet length: fits about 7"
Movement: 1861 manual

Posted at

Apr 8, 2026, 10:17 PM

Active

View listing on r/WatchExchange

2025 Omega Speedmaster professional | Complete | Excellent condition | Ref: 310.30.42.50.04.001

Omega - 310.30.42.50.04.001 · $7,810

This is a complete set Omega Speedmaster Professional Moonwatch, offered as excellent condition and an iconic piece with amazing story and design.

Condition: Excellent
Movement: Omega Calibre 3861 manual wind
Year: 2025
Box: Original Omega box & outer packaging

Posted at

Apr 8, 2026, 9:53 PM

Active

View listing on r/WatchExchange

2023 Omega Speedmaster Moonwatch Professional (Sapphire) 310.30.42.50.01.002 - Full Set

Omega - 310.30.42.50.01.002 · $6,650

This Omega Speedmaster Professional Moonwatch (Sapphire) features a black dial, sapphire crystal, and Omega's Master Chronometer caliber visible through the exhibition caseback. It comes with a complete set including warranty valid until 2028 and micro adjustable clasp.

Condition: Very excellent pre-owned condition
Year: 2023
Case size: 42mm diameter
Movement: Omega Caliber 3861 (manual wind, Master Chronometer, Co-Axial escapement)

Posted at

Apr 8, 2026, 8:26 PM

Active

View listing on r/WatchExchange