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

Current Listings

Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina 1978 (Serviced)

Omega - 145.022-78 · $5,050

This Omega Speedmaster Professional Moonwatch reference 145.022-78 is presented in all-original condition and remains in very good overall shape. The watch is fitted with its original, period-correct black tritium dial, displaying an even yellow patina across all hour markers that adds warmth and character.

Condition: Very good overall shape
Case dimensions: 42mm
Year of manufacture: 1978

Posted at

Feb 17, 2026, 7:51 PM

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Omega Speedmaster Green Gold ($30,500)

Omega - 310.60.42.50.10.001 · $30,500

This Omega Speedmaster features a 42mm case, green dial, and is in pristine condition.

Condition: pristine condition
Case size: 42mm diameter
Dial color: green

Posted at

Feb 17, 2026, 3:09 PM

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Omega Speedmaster Date 3210.50.00

Omega - 3210.50.00 · $2,300

A Omega Speedmaster Date in excellent condition, featuring a 7.5” wrist size and a removable bracelet with 7 links.

Condition: Excellent condition
Bracelet stretch: no stretch
Links removability: 7 removable links
Wrist size compatibility: about 7.5” wrist

Posted at

Feb 17, 2026, 1:46 PM

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BNIB 2026 Omega Speedmaster Moonwatch Professional White $7,950

Omega - 310.30.42.50.04.001 · $7,950

The Omega Speedmaster Moonwatch Professional features a glossy white lacquered dial, black markers, and red 'Speedmaster' text, with an updated 3861 movement and sapphire crystal. It has a 42mm case with a 5mm tapered bracelet and quick-adjustment system.

Condition: Brand new in box, no issues
Case size: 42mm diameter
Case thickness: 13.2mm
Movement: Hand wound Cal 3861

Posted at

Feb 17, 2026, 1:39 PM

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Forstner Contemporary Flat Link Bracelet for Omega Speedmaster 19mm

· $160

This is a Forstner polished/brushed flat link bracelet with end links designed for the Omega Speedmaster with a straight lug FOIS case. The watch features a push button clasp, spring links next to the clasp, and comes in excellent condition with minimal signs of wear.

Condition: excellent used
Material: polished/brushed flat link bracelet with end links
Fit: 19mm version fits the straight lug FOIS case
Clasp type: push button clasp

Posted at

Feb 17, 2026, 1:25 PM

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2024 Omega Speedmaster Chronograph Moonphase Stainless Steel Blue Dial on Blue Strap 304.33.44.52.03.001 B+P

Omega - 304.33.44.52.03.001 · $7,600

The Omega Speedmaster Moonphase Chronograph has a deep blue dial and matching strap, giving it a sporty but refined feel. The chronograph layout paired with the moonphase display adds detail and character without overwhelming the classic Speedmaster look.

Condition: Excellent condition
Case diameter: 44mm
Crystal material: Sapphire
Dial color: Blue

Posted at

Feb 17, 2026, 1:08 PM

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Omega Speedmaster 38 Co-Axial Chronograph 324.30.38.50.02.001 Full Set- $3999

Omega - 324.30.38.50.02.001 · $3,999

This Omega Speedmaster 38 Co-Axial Chronograph features a silver dial and is in excellent condition with very minimal wear.

Condition: Excellent overall condition, minimal wear
Case size: 40mm diameter
Bracelet type: Stainless steel

Posted at

Feb 17, 2026, 7:04 AM

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Omega Speedmaster Reduced, with two extra uncle bracelets

Omega - Speedmaster Reduced · $1,700

This Omega Speedmaster Reduced is a pre-owned watch that comes with two extra bracelets. The original bracelet and Lincoln bracelet may not fit wrists larger than 7 inches, while the US1171 bracelet has all its links.

Condition: Pre-owned, possibly polished case (not confirmed)
Bracelets included: 3
Bracelet sizes: [object Object]

Posted at

Feb 17, 2026, 2:32 AM

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2023 Omega Speedmaster "Blue Side of the Moon" Aventurine Dial - 304.93.44.52.03.002 - Full Set

Omega - 304.93.44.52.03.002 · $11,250

This Omega Speedmaster Blue Side of the Moon Aventurine features a 44.25mm blue ceramic case with Sedna gold accents, an aventurine glass dial, and Omega's Co-Axial Master Chronometer Caliber 9904 movement.

Condition: Very excellent preowned condition
Case size: 44.25mm
Water resistance: 50m
Movement: Omega Co-Axial Master Chronometer Caliber 9904 (manual wind, column-wheel chronograph, METAS certified)

Posted at

Feb 16, 2026, 10:32 PM

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